Home / 4,155.75-6,233.63-1,077.75

Finding the Fourth Proportional to 4,155.75, 6,233.63 and 1,077.75

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Solution

The fourth proportional to 4,155.75, 6,233.63 and 1,077.75 is: 1,616.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.75 : 6,233.63 = 1,077.75 : x
  2. Step 2: Convert to fraction form
    4,155.75/6,233.63 = 1,077.75/x
  3. Step 3: Cross multiply
    4,155.75x = 6,233.63 × 1,077.75
  4. Step 4: Simplify right side
    4,155.75x = 6,718,289.34
  5. Step 5: Solve for x
    x = 6,718,289.34/4,155.75
  6. Step 6: Final answer
    x = 1,616.63

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Half 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.