Home / 5,508.75-8,260.74-3,425.61

Finding the Fourth Proportional to 5,508.75, 8,260.74 and 3,425.61

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Solution

The fourth proportional to 5,508.75, 8,260.74 and 3,425.61 is: 5,136.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,508.75 : 8,260.74 = 3,425.61 : x
  2. Step 2: Convert to fraction form
    5,508.75/8,260.74 = 3,425.61/x
  3. Step 3: Cross multiply
    5,508.75x = 8,260.74 × 3,425.61
  4. Step 4: Simplify right side
    5,508.75x = 28,298,073.55
  5. Step 5: Solve for x
    x = 28,298,073.55/5,508.75
  6. Step 6: Final answer
    x = 5,136.93

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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.