Home / 7,487.38-11,227.81-3,976.62

Finding the Fourth Proportional to 7,487.38, 11,227.81 and 3,976.62

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Solution

The fourth proportional to 7,487.38, 11,227.81 and 3,976.62 is: 5,963.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.38 : 11,227.81 = 3,976.62 : x
  2. Step 2: Convert to fraction form
    7,487.38/11,227.81 = 3,976.62/x
  3. Step 3: Cross multiply
    7,487.38x = 11,227.81 × 3,976.62
  4. Step 4: Simplify right side
    7,487.38x = 44,648,733.80
  5. Step 5: Solve for x
    x = 44,648,733.80/7,487.38
  6. Step 6: Final answer
    x = 5,963.20

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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.