Home / 5,393.30-7,439.46-3,293.78

Finding the Fourth Proportional to 5,393.30, 7,439.46 and 3,293.78

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Solution

The fourth proportional to 5,393.30, 7,439.46 and 3,293.78 is: 4,543.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393.30 : 7,439.46 = 3,293.78 : x
  2. Step 2: Convert to fraction form
    5,393.30/7,439.46 = 3,293.78/x
  3. Step 3: Cross multiply
    5,393.30x = 7,439.46 × 3,293.78
  4. Step 4: Simplify right side
    5,393.30x = 24,503,944.56
  5. Step 5: Solve for x
    x = 24,503,944.56/5,393.30
  6. Step 6: Final answer
    x = 4,543.40

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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.