Home / 9,105.41-13,658.87-2,531.65

Finding the Fourth Proportional to 9,105.41, 13,658.87 and 2,531.65

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Solution

The fourth proportional to 9,105.41, 13,658.87 and 2,531.65 is: 3,797.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,105.41 : 13,658.87 = 2,531.65 : x
  2. Step 2: Convert to fraction form
    9,105.41/13,658.87 = 2,531.65/x
  3. Step 3: Cross multiply
    9,105.41x = 13,658.87 × 2,531.65
  4. Step 4: Simplify right side
    9,105.41x = 34,579,478.24
  5. Step 5: Solve for x
    x = 34,579,478.24/9,105.41
  6. Step 6: Final answer
    x = 3,797.69

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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.