Home / 5,517.01-8,273.75-1,818.55

Finding the Fourth Proportional to 5,517.01, 8,273.75 and 1,818.55

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Solution

The fourth proportional to 5,517.01, 8,273.75 and 1,818.55 is: 2,727.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.01 : 8,273.75 = 1,818.55 : x
  2. Step 2: Convert to fraction form
    5,517.01/8,273.75 = 1,818.55/x
  3. Step 3: Cross multiply
    5,517.01x = 8,273.75 × 1,818.55
  4. Step 4: Simplify right side
    5,517.01x = 15,046,186.69
  5. Step 5: Solve for x
    x = 15,046,186.69/5,517.01
  6. Step 6: Final answer
    x = 2,727.24

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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.