Home / 5,102.10-7,039.62-2,864.04

Finding the Fourth Proportional to 5,102.10, 7,039.62 and 2,864.04

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Solution

The fourth proportional to 5,102.10, 7,039.62 and 2,864.04 is: 3,951.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.10 : 7,039.62 = 2,864.04 : x
  2. Step 2: Convert to fraction form
    5,102.10/7,039.62 = 2,864.04/x
  3. Step 3: Cross multiply
    5,102.10x = 7,039.62 × 2,864.04
  4. Step 4: Simplify right side
    5,102.10x = 20,161,753.26
  5. Step 5: Solve for x
    x = 20,161,753.26/5,102.10
  6. Step 6: Final answer
    x = 3,951.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.