Home / 5,899.20-8,140.23-3,380.62

Finding the Fourth Proportional to 5,899.20, 8,140.23 and 3,380.62

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Solution

The fourth proportional to 5,899.20, 8,140.23 and 3,380.62 is: 4,664.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,899.20 : 8,140.23 = 3,380.62 : x
  2. Step 2: Convert to fraction form
    5,899.20/8,140.23 = 3,380.62/x
  3. Step 3: Cross multiply
    5,899.20x = 8,140.23 × 3,380.62
  4. Step 4: Simplify right side
    5,899.20x = 27,519,019.25
  5. Step 5: Solve for x
    x = 27,519,019.25/5,899.20
  6. Step 6: Final answer
    x = 4,664.88

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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.