Home / 7,720.28-11,582.04-2,525.75

Finding the Fourth Proportional to 7,720.28, 11,582.04 and 2,525.75

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Solution

The fourth proportional to 7,720.28, 11,582.04 and 2,525.75 is: 3,789.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720.28 : 11,582.04 = 2,525.75 : x
  2. Step 2: Convert to fraction form
    7,720.28/11,582.04 = 2,525.75/x
  3. Step 3: Cross multiply
    7,720.28x = 11,582.04 × 2,525.75
  4. Step 4: Simplify right side
    7,720.28x = 29,253,337.53
  5. Step 5: Solve for x
    x = 29,253,337.53/7,720.28
  6. Step 6: Final answer
    x = 3,789.15

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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.