Home / 5,635.98-7,778.38-3,399.11

Finding the Fourth Proportional to 5,635.98, 7,778.38 and 3,399.11

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Solution

The fourth proportional to 5,635.98, 7,778.38 and 3,399.11 is: 4,691.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.98 : 7,778.38 = 3,399.11 : x
  2. Step 2: Convert to fraction form
    5,635.98/7,778.38 = 3,399.11/x
  3. Step 3: Cross multiply
    5,635.98x = 7,778.38 × 3,399.11
  4. Step 4: Simplify right side
    5,635.98x = 26,439,601.15
  5. Step 5: Solve for x
    x = 26,439,601.15/5,635.98
  6. Step 6: Final answer
    x = 4,691.22

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1.5x scale

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.