Home / 9,155.03-13,729.91-2,581.88

Finding the Fourth Proportional to 9,155.03, 13,729.91 and 2,581.88

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Solution

The fourth proportional to 9,155.03, 13,729.91 and 2,581.88 is: 3,872.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,155.03 : 13,729.91 = 2,581.88 : x
  2. Step 2: Convert to fraction form
    9,155.03/13,729.91 = 2,581.88/x
  3. Step 3: Cross multiply
    9,155.03x = 13,729.91 × 2,581.88
  4. Step 4: Simplify right side
    9,155.03x = 35,448,898.47
  5. Step 5: Solve for x
    x = 35,448,898.47/9,155.03
  6. Step 6: Final answer
    x = 3,872.07

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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.