Home / 5,196.38-7,794.56-2,077.79

Finding the Fourth Proportional to 5,196.38, 7,794.56 and 2,077.79

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Solution

The fourth proportional to 5,196.38, 7,794.56 and 2,077.79 is: 3,116.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,196.38 : 7,794.56 = 2,077.79 : x
  2. Step 2: Convert to fraction form
    5,196.38/7,794.56 = 2,077.79/x
  3. Step 3: Cross multiply
    5,196.38x = 7,794.56 × 2,077.79
  4. Step 4: Simplify right side
    5,196.38x = 16,195,425.04
  5. Step 5: Solve for x
    x = 16,195,425.04/5,196.38
  6. Step 6: Final answer
    x = 3,116.68

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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.