Home / 8,872.20-13,296.96-3,320.46

Finding the Fourth Proportional to 8,872.20, 13,296.96 and 3,320.46

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Solution

The fourth proportional to 8,872.20, 13,296.96 and 3,320.46 is: 4,976.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.20 : 13,296.96 = 3,320.46 : x
  2. Step 2: Convert to fraction form
    8,872.20/13,296.96 = 3,320.46/x
  3. Step 3: Cross multiply
    8,872.20x = 13,296.96 × 3,320.46
  4. Step 4: Simplify right side
    8,872.20x = 44,152,023.80
  5. Step 5: Solve for x
    x = 44,152,023.80/8,872.20
  6. Step 6: Final answer
    x = 4,976.45

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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.