Home / 4,429.80-6,635.10-3,943.40

Finding the Fourth Proportional to 4,429.80, 6,635.10 and 3,943.40

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Solution

The fourth proportional to 4,429.80, 6,635.10 and 3,943.40 is: 5,906.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.80 : 6,635.10 = 3,943.40 : x
  2. Step 2: Convert to fraction form
    4,429.80/6,635.10 = 3,943.40/x
  3. Step 3: Cross multiply
    4,429.80x = 6,635.10 × 3,943.40
  4. Step 4: Simplify right side
    4,429.80x = 26,164,853.34
  5. Step 5: Solve for x
    x = 26,164,853.34/4,429.80
  6. Step 6: Final answer
    x = 5,906.55

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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.