Home / 5,378.92-8,059.86-4,149.34

Finding the Fourth Proportional to 5,378.92, 8,059.86 and 4,149.34

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Solution

The fourth proportional to 5,378.92, 8,059.86 and 4,149.34 is: 6,217.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.92 : 8,059.86 = 4,149.34 : x
  2. Step 2: Convert to fraction form
    5,378.92/8,059.86 = 4,149.34/x
  3. Step 3: Cross multiply
    5,378.92x = 8,059.86 × 4,149.34
  4. Step 4: Simplify right side
    5,378.92x = 33,443,079.34
  5. Step 5: Solve for x
    x = 33,443,079.34/5,378.92
  6. Step 6: Final answer
    x = 6,217.44

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1.5x scale

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.