Home / 9,191.38-13,787.24-2,617.74

Finding the Fourth Proportional to 9,191.38, 13,787.24 and 2,617.74

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Solution

The fourth proportional to 9,191.38, 13,787.24 and 2,617.74 is: 3,926.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.38 : 13,787.24 = 2,617.74 : x
  2. Step 2: Convert to fraction form
    9,191.38/13,787.24 = 2,617.74/x
  3. Step 3: Cross multiply
    9,191.38x = 13,787.24 × 2,617.74
  4. Step 4: Simplify right side
    9,191.38x = 36,091,409.64
  5. Step 5: Solve for x
    x = 36,091,409.64/9,191.38
  6. Step 6: Final answer
    x = 3,926.66

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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.