Home / 5,155.68-7,733.88-2,234.16

Finding the Fourth Proportional to 5,155.68, 7,733.88 and 2,234.16

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Solution

The fourth proportional to 5,155.68, 7,733.88 and 2,234.16 is: 3,351.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155.68 : 7,733.88 = 2,234.16 : x
  2. Step 2: Convert to fraction form
    5,155.68/7,733.88 = 2,234.16/x
  3. Step 3: Cross multiply
    5,155.68x = 7,733.88 × 2,234.16
  4. Step 4: Simplify right side
    5,155.68x = 17,278,725.34
  5. Step 5: Solve for x
    x = 17,278,725.34/5,155.68
  6. Step 6: Final answer
    x = 3,351.40

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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.