Home / 8,937.06-12,329.10-5,580.71

Finding the Fourth Proportional to 8,937.06, 12,329.10 and 5,580.71

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Solution

The fourth proportional to 8,937.06, 12,329.10 and 5,580.71 is: 7,698.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937.06 : 12,329.10 = 5,580.71 : x
  2. Step 2: Convert to fraction form
    8,937.06/12,329.10 = 5,580.71/x
  3. Step 3: Cross multiply
    8,937.06x = 12,329.10 × 5,580.71
  4. Step 4: Simplify right side
    8,937.06x = 68,805,070.02
  5. Step 5: Solve for x
    x = 68,805,070.02/8,937.06
  6. Step 6: Final answer
    x = 7,698.85

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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.