Home / 8,055.16-12,082.38-2,211.78

Finding the Fourth Proportional to 8,055.16, 12,082.38 and 2,211.78

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Solution

The fourth proportional to 8,055.16, 12,082.38 and 2,211.78 is: 3,317.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,055.16 : 12,082.38 = 2,211.78 : x
  2. Step 2: Convert to fraction form
    8,055.16/12,082.38 = 2,211.78/x
  3. Step 3: Cross multiply
    8,055.16x = 12,082.38 × 2,211.78
  4. Step 4: Simplify right side
    8,055.16x = 26,723,566.44
  5. Step 5: Solve for x
    x = 26,723,566.44/8,055.16
  6. Step 6: Final answer
    x = 3,317.57

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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.