Home / 4,687.17-7,029.35-3,863.40

Finding the Fourth Proportional to 4,687.17, 7,029.35 and 3,863.40

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Solution

The fourth proportional to 4,687.17, 7,029.35 and 3,863.40 is: 5,793.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.17 : 7,029.35 = 3,863.40 : x
  2. Step 2: Convert to fraction form
    4,687.17/7,029.35 = 3,863.40/x
  3. Step 3: Cross multiply
    4,687.17x = 7,029.35 × 3,863.40
  4. Step 4: Simplify right side
    4,687.17x = 27,157,171.47
  5. Step 5: Solve for x
    x = 27,157,171.47/4,687.17
  6. Step 6: Final answer
    x = 5,793.94

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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.