Home / 5,211.15-7,816.17-2,744.97

Finding the Fourth Proportional to 5,211.15, 7,816.17 and 2,744.97

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Solution

The fourth proportional to 5,211.15, 7,816.17 and 2,744.97 is: 4,117.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.15 : 7,816.17 = 2,744.97 : x
  2. Step 2: Convert to fraction form
    5,211.15/7,816.17 = 2,744.97/x
  3. Step 3: Cross multiply
    5,211.15x = 7,816.17 × 2,744.97
  4. Step 4: Simplify right side
    5,211.15x = 21,455,152.16
  5. Step 5: Solve for x
    x = 21,455,152.16/5,211.15
  6. Step 6: Final answer
    x = 4,117.16

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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.