Home / 7,639.92-11,451.69-5,006.43

Finding the Fourth Proportional to 7,639.92, 11,451.69 and 5,006.43

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Solution

The fourth proportional to 7,639.92, 11,451.69 and 5,006.43 is: 7,504.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.92 : 11,451.69 = 5,006.43 : x
  2. Step 2: Convert to fraction form
    7,639.92/11,451.69 = 5,006.43/x
  3. Step 3: Cross multiply
    7,639.92x = 11,451.69 × 5,006.43
  4. Step 4: Simplify right side
    7,639.92x = 57,332,084.37
  5. Step 5: Solve for x
    x = 57,332,084.37/7,639.92
  6. Step 6: Final answer
    x = 7,504.28

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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.