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Finding the Fourth Proportional to 5,009.92, 7,516.16 and 1,932.16

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Solution

The fourth proportional to 5,009.92, 7,516.16 and 1,932.16 is: 2,898.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.92 : 7,516.16 = 1,932.16 : x
  2. Step 2: Convert to fraction form
    5,009.92/7,516.16 = 1,932.16/x
  3. Step 3: Cross multiply
    5,009.92x = 7,516.16 × 1,932.16
  4. Step 4: Simplify right side
    5,009.92x = 14,522,423.71
  5. Step 5: Solve for x
    x = 14,522,423.71/5,009.92
  6. Step 6: Final answer
    x = 2,898.73

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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.