Home / 5,439.22-8,153.33-2,154.60

Finding the Fourth Proportional to 5,439.22, 8,153.33 and 2,154.60

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Solution

The fourth proportional to 5,439.22, 8,153.33 and 2,154.60 is: 3,229.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.22 : 8,153.33 = 2,154.60 : x
  2. Step 2: Convert to fraction form
    5,439.22/8,153.33 = 2,154.60/x
  3. Step 3: Cross multiply
    5,439.22x = 8,153.33 × 2,154.60
  4. Step 4: Simplify right side
    5,439.22x = 17,567,154.05
  5. Step 5: Solve for x
    x = 17,567,154.05/5,439.22
  6. Step 6: Final answer
    x = 3,229.72

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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.