Home / 4,225.40-6,362.20-3,966.20

Finding the Fourth Proportional to 4,225.40, 6,362.20 and 3,966.20

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Solution

The fourth proportional to 4,225.40, 6,362.20 and 3,966.20 is: 5,971.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,225.40 : 6,362.20 = 3,966.20 : x
  2. Step 2: Convert to fraction form
    4,225.40/6,362.20 = 3,966.20/x
  3. Step 3: Cross multiply
    4,225.40x = 6,362.20 × 3,966.20
  4. Step 4: Simplify right side
    4,225.40x = 25,233,757.64
  5. Step 5: Solve for x
    x = 25,233,757.64/4,225.40
  6. Step 6: Final answer
    x = 5,971.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.