Home / 5,712.40-8,568.60-4,149.10

Finding the Fourth Proportional to 5,712.40, 8,568.60 and 4,149.10

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Solution

The fourth proportional to 5,712.40, 8,568.60 and 4,149.10 is: 6,223.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.40 : 8,568.60 = 4,149.10 : x
  2. Step 2: Convert to fraction form
    5,712.40/8,568.60 = 4,149.10/x
  3. Step 3: Cross multiply
    5,712.40x = 8,568.60 × 4,149.10
  4. Step 4: Simplify right side
    5,712.40x = 35,551,978.26
  5. Step 5: Solve for x
    x = 35,551,978.26/5,712.40
  6. Step 6: Final answer
    x = 6,223.65

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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.