Home / 8,918.68-13,377.48-2,344.72

Finding the Fourth Proportional to 8,918.68, 13,377.48 and 2,344.72

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Solution

The fourth proportional to 8,918.68, 13,377.48 and 2,344.72 is: 3,516.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,918.68 : 13,377.48 = 2,344.72 : x
  2. Step 2: Convert to fraction form
    8,918.68/13,377.48 = 2,344.72/x
  3. Step 3: Cross multiply
    8,918.68x = 13,377.48 × 2,344.72
  4. Step 4: Simplify right side
    8,918.68x = 31,366,444.91
  5. Step 5: Solve for x
    x = 31,366,444.91/8,918.68
  6. Step 6: Final answer
    x = 3,516.94

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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.