Home / 9,115.07-13,674.42-3,272.13

Finding the Fourth Proportional to 9,115.07, 13,674.42 and 3,272.13

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Solution

The fourth proportional to 9,115.07, 13,674.42 and 3,272.13 is: 4,908.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115.07 : 13,674.42 = 3,272.13 : x
  2. Step 2: Convert to fraction form
    9,115.07/13,674.42 = 3,272.13/x
  3. Step 3: Cross multiply
    9,115.07x = 13,674.42 × 3,272.13
  4. Step 4: Simplify right side
    9,115.07x = 44,744,479.91
  5. Step 5: Solve for x
    x = 44,744,479.91/9,115.07
  6. Step 6: Final answer
    x = 4,908.85

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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.