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Finding the Fourth Proportional to 7,295.24, 10,932.78 and 6,318.92

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Solution

The fourth proportional to 7,295.24, 10,932.78 and 6,318.92 is: 9,469.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,295.24 : 10,932.78 = 6,318.92 : x
  2. Step 2: Convert to fraction form
    7,295.24/10,932.78 = 6,318.92/x
  3. Step 3: Cross multiply
    7,295.24x = 10,932.78 × 6,318.92
  4. Step 4: Simplify right side
    7,295.24x = 69,083,362.20
  5. Step 5: Solve for x
    x = 69,083,362.20/7,295.24
  6. Step 6: Final answer
    x = 9,469.65

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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.