Home / 8,816.28-13,226.76-2,972.04

Finding the Fourth Proportional to 8,816.28, 13,226.76 and 2,972.04

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Solution

The fourth proportional to 8,816.28, 13,226.76 and 2,972.04 is: 4,458.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.28 : 13,226.76 = 2,972.04 : x
  2. Step 2: Convert to fraction form
    8,816.28/13,226.76 = 2,972.04/x
  3. Step 3: Cross multiply
    8,816.28x = 13,226.76 × 2,972.04
  4. Step 4: Simplify right side
    8,816.28x = 39,310,459.79
  5. Step 5: Solve for x
    x = 39,310,459.79/8,816.28
  6. Step 6: Final answer
    x = 4,458.85

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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.