Home / 5,516.19-8,280.18-2,231.43

Finding the Fourth Proportional to 5,516.19, 8,280.18 and 2,231.43

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Solution

The fourth proportional to 5,516.19, 8,280.18 and 2,231.43 is: 3,349.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.19 : 8,280.18 = 2,231.43 : x
  2. Step 2: Convert to fraction form
    5,516.19/8,280.18 = 2,231.43/x
  3. Step 3: Cross multiply
    5,516.19x = 8,280.18 × 2,231.43
  4. Step 4: Simplify right side
    5,516.19x = 18,476,642.06
  5. Step 5: Solve for x
    x = 18,476,642.06/5,516.19
  6. Step 6: Final answer
    x = 3,349.53

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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.