Home / 5,543.20-7,650.66-3,186.88

Finding the Fourth Proportional to 5,543.20, 7,650.66 and 3,186.88

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Solution

The fourth proportional to 5,543.20, 7,650.66 and 3,186.88 is: 4,398.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,543.20 : 7,650.66 = 3,186.88 : x
  2. Step 2: Convert to fraction form
    5,543.20/7,650.66 = 3,186.88/x
  3. Step 3: Cross multiply
    5,543.20x = 7,650.66 × 3,186.88
  4. Step 4: Simplify right side
    5,543.20x = 24,381,735.34
  5. Step 5: Solve for x
    x = 24,381,735.34/5,543.20
  6. Step 6: Final answer
    x = 4,398.49

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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.