Home / 4,233.50-6,362.40-4,209.20

Finding the Fourth Proportional to 4,233.50, 6,362.40 and 4,209.20

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Solution

The fourth proportional to 4,233.50, 6,362.40 and 4,209.20 is: 6,325.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,233.50 : 6,362.40 = 4,209.20 : x
  2. Step 2: Convert to fraction form
    4,233.50/6,362.40 = 4,209.20/x
  3. Step 3: Cross multiply
    4,233.50x = 6,362.40 × 4,209.20
  4. Step 4: Simplify right side
    4,233.50x = 26,780,614.08
  5. Step 5: Solve for x
    x = 26,780,614.08/4,233.50
  6. Step 6: Final answer
    x = 6,325.88

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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.