Home / 6,381.68-9,573.24-2,918

Finding the Fourth Proportional to 6,381.68, 9,573.24 and 2,918

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Solution

The fourth proportional to 6,381.68, 9,573.24 and 2,918 is: 4,377.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381.68 : 9,573.24 = 2,918 : x
  2. Step 2: Convert to fraction form
    6,381.68/9,573.24 = 2,918/x
  3. Step 3: Cross multiply
    6,381.68x = 9,573.24 × 2,918
  4. Step 4: Simplify right side
    6,381.68x = 27,934,714.32
  5. Step 5: Solve for x
    x = 27,934,714.32/6,381.68
  6. Step 6: Final answer
    x = 4,377.33

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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.