Home / 9,180.55-13,767.31-2,939.23

Finding the Fourth Proportional to 9,180.55, 13,767.31 and 2,939.23

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Solution

The fourth proportional to 9,180.55, 13,767.31 and 2,939.23 is: 4,407.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.55 : 13,767.31 = 2,939.23 : x
  2. Step 2: Convert to fraction form
    9,180.55/13,767.31 = 2,939.23/x
  3. Step 3: Cross multiply
    9,180.55x = 13,767.31 × 2,939.23
  4. Step 4: Simplify right side
    9,180.55x = 40,465,290.57
  5. Step 5: Solve for x
    x = 40,465,290.57/9,180.55
  6. Step 6: Final answer
    x = 4,407.72

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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.