Home / 5,220.13-7,159.68-4,937.71

Finding the Fourth Proportional to 5,220.13, 7,159.68 and 4,937.71

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Solution

The fourth proportional to 5,220.13, 7,159.68 and 4,937.71 is: 6,772.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.13 : 7,159.68 = 4,937.71 : x
  2. Step 2: Convert to fraction form
    5,220.13/7,159.68 = 4,937.71/x
  3. Step 3: Cross multiply
    5,220.13x = 7,159.68 × 4,937.71
  4. Step 4: Simplify right side
    5,220.13x = 35,352,411.19
  5. Step 5: Solve for x
    x = 35,352,411.19/5,220.13
  6. Step 6: Final answer
    x = 6,772.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.