Home / 5,629.56-8,439.42-2,340.60

Finding the Fourth Proportional to 5,629.56, 8,439.42 and 2,340.60

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Solution

The fourth proportional to 5,629.56, 8,439.42 and 2,340.60 is: 3,508.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.56 : 8,439.42 = 2,340.60 : x
  2. Step 2: Convert to fraction form
    5,629.56/8,439.42 = 2,340.60/x
  3. Step 3: Cross multiply
    5,629.56x = 8,439.42 × 2,340.60
  4. Step 4: Simplify right side
    5,629.56x = 19,753,306.45
  5. Step 5: Solve for x
    x = 19,753,306.45/5,629.56
  6. Step 6: Final answer
    x = 3,508.85

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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.