Home / 8,344.69-11,515.68-5,200.88

Finding the Fourth Proportional to 8,344.69, 11,515.68 and 5,200.88

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Solution

The fourth proportional to 8,344.69, 11,515.68 and 5,200.88 is: 7,177.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,344.69 : 11,515.68 = 5,200.88 : x
  2. Step 2: Convert to fraction form
    8,344.69/11,515.68 = 5,200.88/x
  3. Step 3: Cross multiply
    8,344.69x = 11,515.68 × 5,200.88
  4. Step 4: Simplify right side
    8,344.69x = 59,891,612.22
  5. Step 5: Solve for x
    x = 59,891,612.22/8,344.69
  6. Step 6: Final answer
    x = 7,177.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.