Home / 8,744.80-13,117.20-2,170.90

Finding the Fourth Proportional to 8,744.80, 13,117.20 and 2,170.90

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Solution

The fourth proportional to 8,744.80, 13,117.20 and 2,170.90 is: 3,256.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,744.80 : 13,117.20 = 2,170.90 : x
  2. Step 2: Convert to fraction form
    8,744.80/13,117.20 = 2,170.90/x
  3. Step 3: Cross multiply
    8,744.80x = 13,117.20 × 2,170.90
  4. Step 4: Simplify right side
    8,744.80x = 28,476,129.48
  5. Step 5: Solve for x
    x = 28,476,129.48/8,744.80
  6. Step 6: Final answer
    x = 3,256.35

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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.