Home / 5,155.72-7,733.58-2,077

Finding the Fourth Proportional to 5,155.72, 7,733.58 and 2,077

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Solution

The fourth proportional to 5,155.72, 7,733.58 and 2,077 is: 3,115.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155.72 : 7,733.58 = 2,077 : x
  2. Step 2: Convert to fraction form
    5,155.72/7,733.58 = 2,077/x
  3. Step 3: Cross multiply
    5,155.72x = 7,733.58 × 2,077
  4. Step 4: Simplify right side
    5,155.72x = 16,062,645.66
  5. Step 5: Solve for x
    x = 16,062,645.66/5,155.72
  6. Step 6: Final answer
    x = 3,115.50

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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.