Home / 9,245.19-12,757.17-5,661.75

Finding the Fourth Proportional to 9,245.19, 12,757.17 and 5,661.75

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Solution

The fourth proportional to 9,245.19, 12,757.17 and 5,661.75 is: 7,812.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,245.19 : 12,757.17 = 5,661.75 : x
  2. Step 2: Convert to fraction form
    9,245.19/12,757.17 = 5,661.75/x
  3. Step 3: Cross multiply
    9,245.19x = 12,757.17 × 5,661.75
  4. Step 4: Simplify right side
    9,245.19x = 72,227,843.46
  5. Step 5: Solve for x
    x = 72,227,843.46/9,245.19
  6. Step 6: Final answer
    x = 7,812.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.