Home / 4,147.90-5,720.20-3,202.18

Finding the Fourth Proportional to 4,147.90, 5,720.20 and 3,202.18

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Solution

The fourth proportional to 4,147.90, 5,720.20 and 3,202.18 is: 4,416.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.90 : 5,720.20 = 3,202.18 : x
  2. Step 2: Convert to fraction form
    4,147.90/5,720.20 = 3,202.18/x
  3. Step 3: Cross multiply
    4,147.90x = 5,720.20 × 3,202.18
  4. Step 4: Simplify right side
    4,147.90x = 18,317,110.04
  5. Step 5: Solve for x
    x = 18,317,110.04/4,147.90
  6. Step 6: Final answer
    x = 4,416.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.