Home / 5,670.44-8,489.88-4,279.56

Finding the Fourth Proportional to 5,670.44, 8,489.88 and 4,279.56

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Solution

The fourth proportional to 5,670.44, 8,489.88 and 4,279.56 is: 6,407.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,670.44 : 8,489.88 = 4,279.56 : x
  2. Step 2: Convert to fraction form
    5,670.44/8,489.88 = 4,279.56/x
  3. Step 3: Cross multiply
    5,670.44x = 8,489.88 × 4,279.56
  4. Step 4: Simplify right side
    5,670.44x = 36,332,950.85
  5. Step 5: Solve for x
    x = 36,332,950.85/5,670.44
  6. Step 6: Final answer
    x = 6,407.43

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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.