Home / 8,756.20-13,125.65-3,488.04

Finding the Fourth Proportional to 8,756.20, 13,125.65 and 3,488.04

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Solution

The fourth proportional to 8,756.20, 13,125.65 and 3,488.04 is: 5,228.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.20 : 13,125.65 = 3,488.04 : x
  2. Step 2: Convert to fraction form
    8,756.20/13,125.65 = 3,488.04/x
  3. Step 3: Cross multiply
    8,756.20x = 13,125.65 × 3,488.04
  4. Step 4: Simplify right side
    8,756.20x = 45,782,737.87
  5. Step 5: Solve for x
    x = 45,782,737.87/8,756.20
  6. Step 6: Final answer
    x = 5,228.61

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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.