Home / 8,755.21-13,132.82-5,812.48

Finding the Fourth Proportional to 8,755.21, 13,132.82 and 5,812.48

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Solution

The fourth proportional to 8,755.21, 13,132.82 and 5,812.48 is: 8,718.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.21 : 13,132.82 = 5,812.48 : x
  2. Step 2: Convert to fraction form
    8,755.21/13,132.82 = 5,812.48/x
  3. Step 3: Cross multiply
    8,755.21x = 13,132.82 × 5,812.48
  4. Step 4: Simplify right side
    8,755.21x = 76,334,253.59
  5. Step 5: Solve for x
    x = 76,334,253.59/8,755.21
  6. Step 6: Final answer
    x = 8,718.72

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Similar ratio
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1.5x scale

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.