Home / 5,600.79-8,382.96-3,399.21

Finding the Fourth Proportional to 5,600.79, 8,382.96 and 3,399.21

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Solution

The fourth proportional to 5,600.79, 8,382.96 and 3,399.21 is: 5,087.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,600.79 : 8,382.96 = 3,399.21 : x
  2. Step 2: Convert to fraction form
    5,600.79/8,382.96 = 3,399.21/x
  3. Step 3: Cross multiply
    5,600.79x = 8,382.96 × 3,399.21
  4. Step 4: Simplify right side
    5,600.79x = 28,495,441.46
  5. Step 5: Solve for x
    x = 28,495,441.46/5,600.79
  6. Step 6: Final answer
    x = 5,087.75

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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.