Home / 4,815.28-6,644.76-2,719

Finding the Fourth Proportional to 4,815.28, 6,644.76 and 2,719

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Solution

The fourth proportional to 4,815.28, 6,644.76 and 2,719 is: 3,752.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.28 : 6,644.76 = 2,719 : x
  2. Step 2: Convert to fraction form
    4,815.28/6,644.76 = 2,719/x
  3. Step 3: Cross multiply
    4,815.28x = 6,644.76 × 2,719
  4. Step 4: Simplify right side
    4,815.28x = 18,067,102.44
  5. Step 5: Solve for x
    x = 18,067,102.44/4,815.28
  6. Step 6: Final answer
    x = 3,752.04

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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.