Home / 8,338.40-12,508.65-2,795.75

Finding the Fourth Proportional to 8,338.40, 12,508.65 and 2,795.75

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Solution

The fourth proportional to 8,338.40, 12,508.65 and 2,795.75 is: 4,193.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,338.40 : 12,508.65 = 2,795.75 : x
  2. Step 2: Convert to fraction form
    8,338.40/12,508.65 = 2,795.75/x
  3. Step 3: Cross multiply
    8,338.40x = 12,508.65 × 2,795.75
  4. Step 4: Simplify right side
    8,338.40x = 34,970,995.69
  5. Step 5: Solve for x
    x = 34,970,995.69/8,338.40
  6. Step 6: Final answer
    x = 4,193.97

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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.