Home / 6,279.22-8,659.28-3,760.92

Finding the Fourth Proportional to 6,279.22, 8,659.28 and 3,760.92

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Solution

The fourth proportional to 6,279.22, 8,659.28 and 3,760.92 is: 5,186.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.22 : 8,659.28 = 3,760.92 : x
  2. Step 2: Convert to fraction form
    6,279.22/8,659.28 = 3,760.92/x
  3. Step 3: Cross multiply
    6,279.22x = 8,659.28 × 3,760.92
  4. Step 4: Simplify right side
    6,279.22x = 32,566,859.34
  5. Step 5: Solve for x
    x = 32,566,859.34/6,279.22
  6. Step 6: Final answer
    x = 5,186.45

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Half scale
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Double scale
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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.