Home / 8,175.50-11,279.28-5,344.50

Finding the Fourth Proportional to 8,175.50, 11,279.28 and 5,344.50

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Solution

The fourth proportional to 8,175.50, 11,279.28 and 5,344.50 is: 7,373.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.50 : 11,279.28 = 5,344.50 : x
  2. Step 2: Convert to fraction form
    8,175.50/11,279.28 = 5,344.50/x
  3. Step 3: Cross multiply
    8,175.50x = 11,279.28 × 5,344.50
  4. Step 4: Simplify right side
    8,175.50x = 60,282,126.06
  5. Step 5: Solve for x
    x = 60,282,126.06/8,175.50
  6. Step 6: Final answer
    x = 7,373.51

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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.