Home / 9,158.75-13,739.19-2,916.57

Finding the Fourth Proportional to 9,158.75, 13,739.19 and 2,916.57

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Solution

The fourth proportional to 9,158.75, 13,739.19 and 2,916.57 is: 4,375.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,158.75 : 13,739.19 = 2,916.57 : x
  2. Step 2: Convert to fraction form
    9,158.75/13,739.19 = 2,916.57/x
  3. Step 3: Cross multiply
    9,158.75x = 13,739.19 × 2,916.57
  4. Step 4: Simplify right side
    9,158.75x = 40,071,309.38
  5. Step 5: Solve for x
    x = 40,071,309.38/9,158.75
  6. Step 6: Final answer
    x = 4,375.19

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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.