Home / 7,577.45-10,457.20-4,220.26

Finding the Fourth Proportional to 7,577.45, 10,457.20 and 4,220.26

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Solution

The fourth proportional to 7,577.45, 10,457.20 and 4,220.26 is: 5,824.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577.45 : 10,457.20 = 4,220.26 : x
  2. Step 2: Convert to fraction form
    7,577.45/10,457.20 = 4,220.26/x
  3. Step 3: Cross multiply
    7,577.45x = 10,457.20 × 4,220.26
  4. Step 4: Simplify right side
    7,577.45x = 44,132,102.87
  5. Step 5: Solve for x
    x = 44,132,102.87/7,577.45
  6. Step 6: Final answer
    x = 5,824.14

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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.