Home / 5,411.80-8,117.70-4,500.55

Finding the Fourth Proportional to 5,411.80, 8,117.70 and 4,500.55

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Solution

The fourth proportional to 5,411.80, 8,117.70 and 4,500.55 is: 6,750.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.80 : 8,117.70 = 4,500.55 : x
  2. Step 2: Convert to fraction form
    5,411.80/8,117.70 = 4,500.55/x
  3. Step 3: Cross multiply
    5,411.80x = 8,117.70 × 4,500.55
  4. Step 4: Simplify right side
    5,411.80x = 36,534,114.74
  5. Step 5: Solve for x
    x = 36,534,114.74/5,411.80
  6. Step 6: Final answer
    x = 6,750.83

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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.