Home / 7,348.73-10,132.90-6,640.38

Finding the Fourth Proportional to 7,348.73, 10,132.90 and 6,640.38

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Solution

The fourth proportional to 7,348.73, 10,132.90 and 6,640.38 is: 9,156.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,348.73 : 10,132.90 = 6,640.38 : x
  2. Step 2: Convert to fraction form
    7,348.73/10,132.90 = 6,640.38/x
  3. Step 3: Cross multiply
    7,348.73x = 10,132.90 × 6,640.38
  4. Step 4: Simplify right side
    7,348.73x = 67,286,289.90
  5. Step 5: Solve for x
    x = 67,286,289.90/7,348.73
  6. Step 6: Final answer
    x = 9,156.19

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Half scale
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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.