Home / 5,588.39-8,379.38-4,321.49

Finding the Fourth Proportional to 5,588.39, 8,379.38 and 4,321.49

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Solution

The fourth proportional to 5,588.39, 8,379.38 and 4,321.49 is: 6,479.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,588.39 : 8,379.38 = 4,321.49 : x
  2. Step 2: Convert to fraction form
    5,588.39/8,379.38 = 4,321.49/x
  3. Step 3: Cross multiply
    5,588.39x = 8,379.38 × 4,321.49
  4. Step 4: Simplify right side
    5,588.39x = 36,211,375.78
  5. Step 5: Solve for x
    x = 36,211,375.78/5,588.39
  6. Step 6: Final answer
    x = 6,479.75

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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.