Home / 5,517.03-8,278.52-4,286.91

Finding the Fourth Proportional to 5,517.03, 8,278.52 and 4,286.91

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Solution

The fourth proportional to 5,517.03, 8,278.52 and 4,286.91 is: 6,432.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.03 : 8,278.52 = 4,286.91 : x
  2. Step 2: Convert to fraction form
    5,517.03/8,278.52 = 4,286.91/x
  3. Step 3: Cross multiply
    5,517.03x = 8,278.52 × 4,286.91
  4. Step 4: Simplify right side
    5,517.03x = 35,489,248.74
  5. Step 5: Solve for x
    x = 35,489,248.74/5,517.03
  6. Step 6: Final answer
    x = 6,432.67

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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.