Home / 8,757.17-12,083.24-5,220.71

Finding the Fourth Proportional to 8,757.17, 12,083.24 and 5,220.71

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Solution

The fourth proportional to 8,757.17, 12,083.24 and 5,220.71 is: 7,203.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,757.17 : 12,083.24 = 5,220.71 : x
  2. Step 2: Convert to fraction form
    8,757.17/12,083.24 = 5,220.71/x
  3. Step 3: Cross multiply
    8,757.17x = 12,083.24 × 5,220.71
  4. Step 4: Simplify right side
    8,757.17x = 63,083,091.90
  5. Step 5: Solve for x
    x = 63,083,091.90/8,757.17
  6. Step 6: Final answer
    x = 7,203.59

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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.