Home / 6,624.92-9,937.38-3,151.64

Finding the Fourth Proportional to 6,624.92, 9,937.38 and 3,151.64

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Solution

The fourth proportional to 6,624.92, 9,937.38 and 3,151.64 is: 4,727.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,624.92 : 9,937.38 = 3,151.64 : x
  2. Step 2: Convert to fraction form
    6,624.92/9,937.38 = 3,151.64/x
  3. Step 3: Cross multiply
    6,624.92x = 9,937.38 × 3,151.64
  4. Step 4: Simplify right side
    6,624.92x = 31,319,044.30
  5. Step 5: Solve for x
    x = 31,319,044.30/6,624.92
  6. Step 6: Final answer
    x = 4,727.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.