Home / 6,715.38-10,005.60-6,338.13

Finding the Fourth Proportional to 6,715.38, 10,005.60 and 6,338.13

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Solution

The fourth proportional to 6,715.38, 10,005.60 and 6,338.13 is: 9,443.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,715.38 : 10,005.60 = 6,338.13 : x
  2. Step 2: Convert to fraction form
    6,715.38/10,005.60 = 6,338.13/x
  3. Step 3: Cross multiply
    6,715.38x = 10,005.60 × 6,338.13
  4. Step 4: Simplify right side
    6,715.38x = 63,416,793.53
  5. Step 5: Solve for x
    x = 63,416,793.53/6,715.38
  6. Step 6: Final answer
    x = 9,443.52

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.