Home / 6,613.38-9,126.46-3,818.88

Finding the Fourth Proportional to 6,613.38, 9,126.46 and 3,818.88

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Solution

The fourth proportional to 6,613.38, 9,126.46 and 3,818.88 is: 5,270.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,613.38 : 9,126.46 = 3,818.88 : x
  2. Step 2: Convert to fraction form
    6,613.38/9,126.46 = 3,818.88/x
  3. Step 3: Cross multiply
    6,613.38x = 9,126.46 × 3,818.88
  4. Step 4: Simplify right side
    6,613.38x = 34,852,855.56
  5. Step 5: Solve for x
    x = 34,852,855.56/6,613.38
  6. Step 6: Final answer
    x = 5,270.05

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Half 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.