Home / 10,476.26-15,714.56-2,578.80

Finding the Fourth Proportional to 10,476.26, 15,714.56 and 2,578.80

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Solution

The fourth proportional to 10,476.26, 15,714.56 and 2,578.80 is: 3,868.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,476.26 : 15,714.56 = 2,578.80 : x
  2. Step 2: Convert to fraction form
    10,476.26/15,714.56 = 2,578.80/x
  3. Step 3: Cross multiply
    10,476.26x = 15,714.56 × 2,578.80
  4. Step 4: Simplify right side
    10,476.26x = 40,524,772.70
  5. Step 5: Solve for x
    x = 40,524,772.70/10,476.26
  6. Step 6: Final answer
    x = 3,868.25

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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.