Home / 8,432.64-12,651.42-3,501.36

Finding the Fourth Proportional to 8,432.64, 12,651.42 and 3,501.36

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Solution

The fourth proportional to 8,432.64, 12,651.42 and 3,501.36 is: 5,253.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.64 : 12,651.42 = 3,501.36 : x
  2. Step 2: Convert to fraction form
    8,432.64/12,651.42 = 3,501.36/x
  3. Step 3: Cross multiply
    8,432.64x = 12,651.42 × 3,501.36
  4. Step 4: Simplify right side
    8,432.64x = 44,297,175.93
  5. Step 5: Solve for x
    x = 44,297,175.93/8,432.64
  6. Step 6: Final answer
    x = 5,253.06

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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.