Home / 5,445.36-8,170.74-2,520.18

Finding the Fourth Proportional to 5,445.36, 8,170.74 and 2,520.18

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Solution

The fourth proportional to 5,445.36, 8,170.74 and 2,520.18 is: 3,781.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.36 : 8,170.74 = 2,520.18 : x
  2. Step 2: Convert to fraction form
    5,445.36/8,170.74 = 2,520.18/x
  3. Step 3: Cross multiply
    5,445.36x = 8,170.74 × 2,520.18
  4. Step 4: Simplify right side
    5,445.36x = 20,591,735.53
  5. Step 5: Solve for x
    x = 20,591,735.53/5,445.36
  6. Step 6: Final answer
    x = 3,781.52

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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.