Home / 9,154.20-13,731.30-4,710.95

Finding the Fourth Proportional to 9,154.20, 13,731.30 and 4,710.95

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Solution

The fourth proportional to 9,154.20, 13,731.30 and 4,710.95 is: 7,066.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,154.20 : 13,731.30 = 4,710.95 : x
  2. Step 2: Convert to fraction form
    9,154.20/13,731.30 = 4,710.95/x
  3. Step 3: Cross multiply
    9,154.20x = 13,731.30 × 4,710.95
  4. Step 4: Simplify right side
    9,154.20x = 64,687,399.08
  5. Step 5: Solve for x
    x = 64,687,399.08/9,154.20
  6. Step 6: Final answer
    x = 7,066.42

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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.