Home / 9,159.24-13,732.20-2,917.20

Finding the Fourth Proportional to 9,159.24, 13,732.20 and 2,917.20

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Solution

The fourth proportional to 9,159.24, 13,732.20 and 2,917.20 is: 4,373.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159.24 : 13,732.20 = 2,917.20 : x
  2. Step 2: Convert to fraction form
    9,159.24/13,732.20 = 2,917.20/x
  3. Step 3: Cross multiply
    9,159.24x = 13,732.20 × 2,917.20
  4. Step 4: Simplify right side
    9,159.24x = 40,059,573.84
  5. Step 5: Solve for x
    x = 40,059,573.84/9,159.24
  6. Step 6: Final answer
    x = 4,373.68

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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.