Home / 8,887.75-13,331.63-2,731.75

Finding the Fourth Proportional to 8,887.75, 13,331.63 and 2,731.75

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Solution

The fourth proportional to 8,887.75, 13,331.63 and 2,731.75 is: 4,097.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887.75 : 13,331.63 = 2,731.75 : x
  2. Step 2: Convert to fraction form
    8,887.75/13,331.63 = 2,731.75/x
  3. Step 3: Cross multiply
    8,887.75x = 13,331.63 × 2,731.75
  4. Step 4: Simplify right side
    8,887.75x = 36,418,680.25
  5. Step 5: Solve for x
    x = 36,418,680.25/8,887.75
  6. Step 6: Final answer
    x = 4,097.63

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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.