Home / 5,321.38-7,347.81-3,433.90

Finding the Fourth Proportional to 5,321.38, 7,347.81 and 3,433.90

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Solution

The fourth proportional to 5,321.38, 7,347.81 and 3,433.90 is: 4,741.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321.38 : 7,347.81 = 3,433.90 : x
  2. Step 2: Convert to fraction form
    5,321.38/7,347.81 = 3,433.90/x
  3. Step 3: Cross multiply
    5,321.38x = 7,347.81 × 3,433.90
  4. Step 4: Simplify right side
    5,321.38x = 25,231,644.76
  5. Step 5: Solve for x
    x = 25,231,644.76/5,321.38
  6. Step 6: Final answer
    x = 4,741.56

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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.