Home / 9,149.28-13,721.64-3,525.82

Finding the Fourth Proportional to 9,149.28, 13,721.64 and 3,525.82

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Solution

The fourth proportional to 9,149.28, 13,721.64 and 3,525.82 is: 5,287.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.28 : 13,721.64 = 3,525.82 : x
  2. Step 2: Convert to fraction form
    9,149.28/13,721.64 = 3,525.82/x
  3. Step 3: Cross multiply
    9,149.28x = 13,721.64 × 3,525.82
  4. Step 4: Simplify right side
    9,149.28x = 48,380,032.74
  5. Step 5: Solve for x
    x = 48,380,032.74/9,149.28
  6. Step 6: Final answer
    x = 5,287.85

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1.5x scale

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.