Home / 7,577.95-10,457.89-4,220.76

Finding the Fourth Proportional to 7,577.95, 10,457.89 and 4,220.76

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Solution

The fourth proportional to 7,577.95, 10,457.89 and 4,220.76 is: 5,824.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577.95 : 10,457.89 = 4,220.76 : x
  2. Step 2: Convert to fraction form
    7,577.95/10,457.89 = 4,220.76/x
  3. Step 3: Cross multiply
    7,577.95x = 10,457.89 × 4,220.76
  4. Step 4: Simplify right side
    7,577.95x = 44,140,213.64
  5. Step 5: Solve for x
    x = 44,140,213.64/7,577.95
  6. Step 6: Final answer
    x = 5,824.82

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Find fourth proportional to 3,788.97, 5,228.94 and 2,110.38
Half scale
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Double scale
Find fourth proportional to 7,578.95, 10,459.27 and 4,221.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.