Home / 9,165.38-13,746.35-2,591.52

Finding the Fourth Proportional to 9,165.38, 13,746.35 and 2,591.52

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Solution

The fourth proportional to 9,165.38, 13,746.35 and 2,591.52 is: 3,886.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,165.38 : 13,746.35 = 2,591.52 : x
  2. Step 2: Convert to fraction form
    9,165.38/13,746.35 = 2,591.52/x
  3. Step 3: Cross multiply
    9,165.38x = 13,746.35 × 2,591.52
  4. Step 4: Simplify right side
    9,165.38x = 35,623,940.95
  5. Step 5: Solve for x
    x = 35,623,940.95/9,165.38
  6. Step 6: Final answer
    x = 3,886.79

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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.