Home / 5,517.66-8,277.03-1,818.38

Finding the Fourth Proportional to 5,517.66, 8,277.03 and 1,818.38

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Solution

The fourth proportional to 5,517.66, 8,277.03 and 1,818.38 is: 2,727.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.66 : 8,277.03 = 1,818.38 : x
  2. Step 2: Convert to fraction form
    5,517.66/8,277.03 = 1,818.38/x
  3. Step 3: Cross multiply
    5,517.66x = 8,277.03 × 1,818.38
  4. Step 4: Simplify right side
    5,517.66x = 15,050,785.81
  5. Step 5: Solve for x
    x = 15,050,785.81/5,517.66
  6. Step 6: Final answer
    x = 2,727.75

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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.