Home / 9,158.20-13,731.30-3,608.20

Finding the Fourth Proportional to 9,158.20, 13,731.30 and 3,608.20

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Solution

The fourth proportional to 9,158.20, 13,731.30 and 3,608.20 is: 5,409.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,158.20 : 13,731.30 = 3,608.20 : x
  2. Step 2: Convert to fraction form
    9,158.20/13,731.30 = 3,608.20/x
  3. Step 3: Cross multiply
    9,158.20x = 13,731.30 × 3,608.20
  4. Step 4: Simplify right side
    9,158.20x = 49,545,276.66
  5. Step 5: Solve for x
    x = 49,545,276.66/9,158.20
  6. Step 6: Final answer
    x = 5,409.94

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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.