Home / 7,541.61-11,315.49-2,614.71

Finding the Fourth Proportional to 7,541.61, 11,315.49 and 2,614.71

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Solution

The fourth proportional to 7,541.61, 11,315.49 and 2,614.71 is: 3,923.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,541.61 : 11,315.49 = 2,614.71 : x
  2. Step 2: Convert to fraction form
    7,541.61/11,315.49 = 2,614.71/x
  3. Step 3: Cross multiply
    7,541.61x = 11,315.49 × 2,614.71
  4. Step 4: Simplify right side
    7,541.61x = 29,586,724.86
  5. Step 5: Solve for x
    x = 29,586,724.86/7,541.61
  6. Step 6: Final answer
    x = 3,923.13

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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.