Home / 5,081.42-7,616.04-2,617.40

Finding the Fourth Proportional to 5,081.42, 7,616.04 and 2,617.40

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Solution

The fourth proportional to 5,081.42, 7,616.04 and 2,617.40 is: 3,922.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.42 : 7,616.04 = 2,617.40 : x
  2. Step 2: Convert to fraction form
    5,081.42/7,616.04 = 2,617.40/x
  3. Step 3: Cross multiply
    5,081.42x = 7,616.04 × 2,617.40
  4. Step 4: Simplify right side
    5,081.42x = 19,934,223.10
  5. Step 5: Solve for x
    x = 19,934,223.10/5,081.42
  6. Step 6: Final answer
    x = 3,922.96

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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.