Home / 9,191.07-13,781.56-4,257.99

Finding the Fourth Proportional to 9,191.07, 13,781.56 and 4,257.99

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Solution

The fourth proportional to 9,191.07, 13,781.56 and 4,257.99 is: 6,384.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.07 : 13,781.56 = 4,257.99 : x
  2. Step 2: Convert to fraction form
    9,191.07/13,781.56 = 4,257.99/x
  3. Step 3: Cross multiply
    9,191.07x = 13,781.56 × 4,257.99
  4. Step 4: Simplify right side
    9,191.07x = 58,681,744.66
  5. Step 5: Solve for x
    x = 58,681,744.66/9,191.07
  6. Step 6: Final answer
    x = 6,384.65

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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.