Home / 4,687.52-6,467.72-2,799.78

Finding the Fourth Proportional to 4,687.52, 6,467.72 and 2,799.78

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Solution

The fourth proportional to 4,687.52, 6,467.72 and 2,799.78 is: 3,863.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.52 : 6,467.72 = 2,799.78 : x
  2. Step 2: Convert to fraction form
    4,687.52/6,467.72 = 2,799.78/x
  3. Step 3: Cross multiply
    4,687.52x = 6,467.72 × 2,799.78
  4. Step 4: Simplify right side
    4,687.52x = 18,108,193.10
  5. Step 5: Solve for x
    x = 18,108,193.10/4,687.52
  6. Step 6: Final answer
    x = 3,863.06

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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.