Home / 5,568.86-8,353.31-2,279.64

Finding the Fourth Proportional to 5,568.86, 8,353.31 and 2,279.64

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Solution

The fourth proportional to 5,568.86, 8,353.31 and 2,279.64 is: 3,419.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,568.86 : 8,353.31 = 2,279.64 : x
  2. Step 2: Convert to fraction form
    5,568.86/8,353.31 = 2,279.64/x
  3. Step 3: Cross multiply
    5,568.86x = 8,353.31 × 2,279.64
  4. Step 4: Simplify right side
    5,568.86x = 19,042,528.21
  5. Step 5: Solve for x
    x = 19,042,528.21/5,568.86
  6. Step 6: Final answer
    x = 3,419.47

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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.