Home / 7,410.76-10,226.70-4,427.26

Finding the Fourth Proportional to 7,410.76, 10,226.70 and 4,427.26

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Solution

The fourth proportional to 7,410.76, 10,226.70 and 4,427.26 is: 6,109.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,410.76 : 10,226.70 = 4,427.26 : x
  2. Step 2: Convert to fraction form
    7,410.76/10,226.70 = 4,427.26/x
  3. Step 3: Cross multiply
    7,410.76x = 10,226.70 × 4,427.26
  4. Step 4: Simplify right side
    7,410.76x = 45,276,259.84
  5. Step 5: Solve for x
    x = 45,276,259.84/7,410.76
  6. Step 6: Final answer
    x = 6,109.53

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Find fourth proportional to 3,705.38, 5,113.35 and 2,213.63
Half scale
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Double scale
Find fourth proportional to 7,411.76, 10,228.08 and 4,428.26
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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.