Home / 5,912.25-8,155.29-3,520.63

Finding the Fourth Proportional to 5,912.25, 8,155.29 and 3,520.63

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Solution

The fourth proportional to 5,912.25, 8,155.29 and 3,520.63 is: 4,856.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.25 : 8,155.29 = 3,520.63 : x
  2. Step 2: Convert to fraction form
    5,912.25/8,155.29 = 3,520.63/x
  3. Step 3: Cross multiply
    5,912.25x = 8,155.29 × 3,520.63
  4. Step 4: Simplify right side
    5,912.25x = 28,711,758.63
  5. Step 5: Solve for x
    x = 28,711,758.63/5,912.25
  6. Step 6: Final answer
    x = 4,856.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.