Home / 4,338.81-6,503.40-2,149.11

Finding the Fourth Proportional to 4,338.81, 6,503.40 and 2,149.11

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Solution

The fourth proportional to 4,338.81, 6,503.40 and 2,149.11 is: 3,221.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,338.81 : 6,503.40 = 2,149.11 : x
  2. Step 2: Convert to fraction form
    4,338.81/6,503.40 = 2,149.11/x
  3. Step 3: Cross multiply
    4,338.81x = 6,503.40 × 2,149.11
  4. Step 4: Simplify right side
    4,338.81x = 13,976,521.97
  5. Step 5: Solve for x
    x = 13,976,521.97/4,338.81
  6. Step 6: Final answer
    x = 3,221.28

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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.