Home / 5,445.57-8,158.07-3,217.75

Finding the Fourth Proportional to 5,445.57, 8,158.07 and 3,217.75

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Solution

The fourth proportional to 5,445.57, 8,158.07 and 3,217.75 is: 4,820.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.57 : 8,158.07 = 3,217.75 : x
  2. Step 2: Convert to fraction form
    5,445.57/8,158.07 = 3,217.75/x
  3. Step 3: Cross multiply
    5,445.57x = 8,158.07 × 3,217.75
  4. Step 4: Simplify right side
    5,445.57x = 26,250,629.74
  5. Step 5: Solve for x
    x = 26,250,629.74/5,445.57
  6. Step 6: Final answer
    x = 4,820.55

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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.