Home / 9,191.57-13,787.24-2,617.80

Finding the Fourth Proportional to 9,191.57, 13,787.24 and 2,617.80

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Solution

The fourth proportional to 9,191.57, 13,787.24 and 2,617.80 is: 3,926.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.57 : 13,787.24 = 2,617.80 : x
  2. Step 2: Convert to fraction form
    9,191.57/13,787.24 = 2,617.80/x
  3. Step 3: Cross multiply
    9,191.57x = 13,787.24 × 2,617.80
  4. Step 4: Simplify right side
    9,191.57x = 36,092,223.78
  5. Step 5: Solve for x
    x = 36,092,223.78/9,191.57
  6. Step 6: Final answer
    x = 3,926.67

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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.