Home / 4,488.20-6,731.40-1,712.96

Finding the Fourth Proportional to 4,488.20, 6,731.40 and 1,712.96

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Solution

The fourth proportional to 4,488.20, 6,731.40 and 1,712.96 is: 2,569.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,488.20 : 6,731.40 = 1,712.96 : x
  2. Step 2: Convert to fraction form
    4,488.20/6,731.40 = 1,712.96/x
  3. Step 3: Cross multiply
    4,488.20x = 6,731.40 × 1,712.96
  4. Step 4: Simplify right side
    4,488.20x = 11,530,618.94
  5. Step 5: Solve for x
    x = 11,530,618.94/4,488.20
  6. Step 6: Final answer
    x = 2,569.10

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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.