Home / 3,006.32-4,508.87-868.52

Finding the Fourth Proportional to 3,006.32, 4,508.87 and 868.52

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Solution

The fourth proportional to 3,006.32, 4,508.87 and 868.52 is: 1,302.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006.32 : 4,508.87 = 868.52 : x
  2. Step 2: Convert to fraction form
    3,006.32/4,508.87 = 868.52/x
  3. Step 3: Cross multiply
    3,006.32x = 4,508.87 × 868.52
  4. Step 4: Simplify right side
    3,006.32x = 3,916,050.70
  5. Step 5: Solve for x
    x = 3,916,050.70/3,006.32
  6. Step 6: Final answer
    x = 1,302.61

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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.