Home / 9,191.52-13,785.18-2,616.12

Finding the Fourth Proportional to 9,191.52, 13,785.18 and 2,616.12

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Solution

The fourth proportional to 9,191.52, 13,785.18 and 2,616.12 is: 3,923.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.52 : 13,785.18 = 2,616.12 : x
  2. Step 2: Convert to fraction form
    9,191.52/13,785.18 = 2,616.12/x
  3. Step 3: Cross multiply
    9,191.52x = 13,785.18 × 2,616.12
  4. Step 4: Simplify right side
    9,191.52x = 36,063,685.10
  5. Step 5: Solve for x
    x = 36,063,685.10/9,191.52
  6. Step 6: Final answer
    x = 3,923.58

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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.