Home / 9,167.28-13,748.76-3,325.20

Finding the Fourth Proportional to 9,167.28, 13,748.76 and 3,325.20

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Solution

The fourth proportional to 9,167.28, 13,748.76 and 3,325.20 is: 4,987.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,167.28 : 13,748.76 = 3,325.20 : x
  2. Step 2: Convert to fraction form
    9,167.28/13,748.76 = 3,325.20/x
  3. Step 3: Cross multiply
    9,167.28x = 13,748.76 × 3,325.20
  4. Step 4: Simplify right side
    9,167.28x = 45,717,376.75
  5. Step 5: Solve for x
    x = 45,717,376.75/9,167.28
  6. Step 6: Final answer
    x = 4,987.02

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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.