Home / 5,443.14-8,164.71-1,339.14

Finding the Fourth Proportional to 5,443.14, 8,164.71 and 1,339.14

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Solution

The fourth proportional to 5,443.14, 8,164.71 and 1,339.14 is: 2,008.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,443.14 : 8,164.71 = 1,339.14 : x
  2. Step 2: Convert to fraction form
    5,443.14/8,164.71 = 1,339.14/x
  3. Step 3: Cross multiply
    5,443.14x = 8,164.71 × 1,339.14
  4. Step 4: Simplify right side
    5,443.14x = 10,933,689.75
  5. Step 5: Solve for x
    x = 10,933,689.75/5,443.14
  6. Step 6: Final answer
    x = 2,008.71

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Double scale
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Similar ratio
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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.