Home / 8,299.30-12,447.10-5,007.87

Finding the Fourth Proportional to 8,299.30, 12,447.10 and 5,007.87

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Solution

The fourth proportional to 8,299.30, 12,447.10 and 5,007.87 is: 7,510.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,299.30 : 12,447.10 = 5,007.87 : x
  2. Step 2: Convert to fraction form
    8,299.30/12,447.10 = 5,007.87/x
  3. Step 3: Cross multiply
    8,299.30x = 12,447.10 × 5,007.87
  4. Step 4: Simplify right side
    8,299.30x = 62,333,458.68
  5. Step 5: Solve for x
    x = 62,333,458.68/8,299.30
  6. Step 6: Final answer
    x = 7,510.69

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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.