Home / 9,324.89-13,987.27-3,778.15

Finding the Fourth Proportional to 9,324.89, 13,987.27 and 3,778.15

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Solution

The fourth proportional to 9,324.89, 13,987.27 and 3,778.15 is: 5,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,324.89 : 13,987.27 = 3,778.15 : x
  2. Step 2: Convert to fraction form
    9,324.89/13,987.27 = 3,778.15/x
  3. Step 3: Cross multiply
    9,324.89x = 13,987.27 × 3,778.15
  4. Step 4: Simplify right side
    9,324.89x = 52,846,004.15
  5. Step 5: Solve for x
    x = 52,846,004.15/9,324.89
  6. Step 6: Final answer
    x = 5,667.20

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Similar ratio
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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.