Home / 5,999.32-8,279.18-3,640.20

Finding the Fourth Proportional to 5,999.32, 8,279.18 and 3,640.20

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Solution

The fourth proportional to 5,999.32, 8,279.18 and 3,640.20 is: 5,023.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,999.32 : 8,279.18 = 3,640.20 : x
  2. Step 2: Convert to fraction form
    5,999.32/8,279.18 = 3,640.20/x
  3. Step 3: Cross multiply
    5,999.32x = 8,279.18 × 3,640.20
  4. Step 4: Simplify right side
    5,999.32x = 30,137,871.04
  5. Step 5: Solve for x
    x = 30,137,871.04/5,999.32
  6. Step 6: Final answer
    x = 5,023.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.