Home / 9,115.42-13,673.15-2,541.79

Finding the Fourth Proportional to 9,115.42, 13,673.15 and 2,541.79

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Solution

The fourth proportional to 9,115.42, 13,673.15 and 2,541.79 is: 3,812.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115.42 : 13,673.15 = 2,541.79 : x
  2. Step 2: Convert to fraction form
    9,115.42/13,673.15 = 2,541.79/x
  3. Step 3: Cross multiply
    9,115.42x = 13,673.15 × 2,541.79
  4. Step 4: Simplify right side
    9,115.42x = 34,754,275.94
  5. Step 5: Solve for x
    x = 34,754,275.94/9,115.42
  6. Step 6: Final answer
    x = 3,812.69

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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.