Home / 8,741.44-13,111.98-2,167.55

Finding the Fourth Proportional to 8,741.44, 13,111.98 and 2,167.55

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Solution

The fourth proportional to 8,741.44, 13,111.98 and 2,167.55 is: 3,251.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,741.44 : 13,111.98 = 2,167.55 : x
  2. Step 2: Convert to fraction form
    8,741.44/13,111.98 = 2,167.55/x
  3. Step 3: Cross multiply
    8,741.44x = 13,111.98 × 2,167.55
  4. Step 4: Simplify right side
    8,741.44x = 28,420,872.25
  5. Step 5: Solve for x
    x = 28,420,872.25/8,741.44
  6. Step 6: Final answer
    x = 3,251.28

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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.