Home / 5,515.92-8,279.35-4,488.03

Finding the Fourth Proportional to 5,515.92, 8,279.35 and 4,488.03

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Solution

The fourth proportional to 5,515.92, 8,279.35 and 4,488.03 is: 6,736.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.92 : 8,279.35 = 4,488.03 : x
  2. Step 2: Convert to fraction form
    5,515.92/8,279.35 = 4,488.03/x
  3. Step 3: Cross multiply
    5,515.92x = 8,279.35 × 4,488.03
  4. Step 4: Simplify right side
    5,515.92x = 37,157,959.96
  5. Step 5: Solve for x
    x = 37,157,959.96/5,515.92
  6. Step 6: Final answer
    x = 6,736.49

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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.