Home / 6,279.38-8,665.96-3,484.88

Finding the Fourth Proportional to 6,279.38, 8,665.96 and 3,484.88

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Solution

The fourth proportional to 6,279.38, 8,665.96 and 3,484.88 is: 4,809.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.38 : 8,665.96 = 3,484.88 : x
  2. Step 2: Convert to fraction form
    6,279.38/8,665.96 = 3,484.88/x
  3. Step 3: Cross multiply
    6,279.38x = 8,665.96 × 3,484.88
  4. Step 4: Simplify right side
    6,279.38x = 30,199,830.68
  5. Step 5: Solve for x
    x = 30,199,830.68/6,279.38
  6. Step 6: Final answer
    x = 4,809.37

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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.