Home / 8,966.57-13,451.68-3,123.64

Finding the Fourth Proportional to 8,966.57, 13,451.68 and 3,123.64

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Solution

The fourth proportional to 8,966.57, 13,451.68 and 3,123.64 is: 4,686.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,966.57 : 13,451.68 = 3,123.64 : x
  2. Step 2: Convert to fraction form
    8,966.57/13,451.68 = 3,123.64/x
  3. Step 3: Cross multiply
    8,966.57x = 13,451.68 × 3,123.64
  4. Step 4: Simplify right side
    8,966.57x = 42,018,205.72
  5. Step 5: Solve for x
    x = 42,018,205.72/8,966.57
  6. Step 6: Final answer
    x = 4,686.10

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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.