Home / 4,255.19-6,382.91-3,520.53

Finding the Fourth Proportional to 4,255.19, 6,382.91 and 3,520.53

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Solution

The fourth proportional to 4,255.19, 6,382.91 and 3,520.53 is: 5,280.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.19 : 6,382.91 = 3,520.53 : x
  2. Step 2: Convert to fraction form
    4,255.19/6,382.91 = 3,520.53/x
  3. Step 3: Cross multiply
    4,255.19x = 6,382.91 × 3,520.53
  4. Step 4: Simplify right side
    4,255.19x = 22,471,208.54
  5. Step 5: Solve for x
    x = 22,471,208.54/4,255.19
  6. Step 6: Final answer
    x = 5,280.90

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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.