Home / 5,077.35-7,616.03-2,155.28

Finding the Fourth Proportional to 5,077.35, 7,616.03 and 2,155.28

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Solution

The fourth proportional to 5,077.35, 7,616.03 and 2,155.28 is: 3,232.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.35 : 7,616.03 = 2,155.28 : x
  2. Step 2: Convert to fraction form
    5,077.35/7,616.03 = 2,155.28/x
  3. Step 3: Cross multiply
    5,077.35x = 7,616.03 × 2,155.28
  4. Step 4: Simplify right side
    5,077.35x = 16,414,628.28
  5. Step 5: Solve for x
    x = 16,414,628.28/5,077.35
  6. Step 6: Final answer
    x = 3,232.91

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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.