Home / 8,569.38-12,856-3,023.12

Finding the Fourth Proportional to 8,569.38, 12,856 and 3,023.12

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Solution

The fourth proportional to 8,569.38, 12,856 and 3,023.12 is: 4,535.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,569.38 : 12,856 = 3,023.12 : x
  2. Step 2: Convert to fraction form
    8,569.38/12,856 = 3,023.12/x
  3. Step 3: Cross multiply
    8,569.38x = 12,856 × 3,023.12
  4. Step 4: Simplify right side
    8,569.38x = 38,865,230.72
  5. Step 5: Solve for x
    x = 38,865,230.72/8,569.38
  6. Step 6: Final answer
    x = 4,535.36

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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.