Home / 5,433.40-8,158.20-4,202.20

Finding the Fourth Proportional to 5,433.40, 8,158.20 and 4,202.20

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Solution

The fourth proportional to 5,433.40, 8,158.20 and 4,202.20 is: 6,309.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433.40 : 8,158.20 = 4,202.20 : x
  2. Step 2: Convert to fraction form
    5,433.40/8,158.20 = 4,202.20/x
  3. Step 3: Cross multiply
    5,433.40x = 8,158.20 × 4,202.20
  4. Step 4: Simplify right side
    5,433.40x = 34,282,388.04
  5. Step 5: Solve for x
    x = 34,282,388.04/5,433.40
  6. Step 6: Final answer
    x = 6,309.56

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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.