Home / 6,125.13-9,191.78-2,229.53

Finding the Fourth Proportional to 6,125.13, 9,191.78 and 2,229.53

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Solution

The fourth proportional to 6,125.13, 9,191.78 and 2,229.53 is: 3,345.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,125.13 : 9,191.78 = 2,229.53 : x
  2. Step 2: Convert to fraction form
    6,125.13/9,191.78 = 2,229.53/x
  3. Step 3: Cross multiply
    6,125.13x = 9,191.78 × 2,229.53
  4. Step 4: Simplify right side
    6,125.13x = 20,493,378.07
  5. Step 5: Solve for x
    x = 20,493,378.07/6,125.13
  6. Step 6: Final answer
    x = 3,345.79

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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.