Home / 4,266.40-6,366.92-3,287.20

Finding the Fourth Proportional to 4,266.40, 6,366.92 and 3,287.20

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Solution

The fourth proportional to 4,266.40, 6,366.92 and 3,287.20 is: 4,905.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,266.40 : 6,366.92 = 3,287.20 : x
  2. Step 2: Convert to fraction form
    4,266.40/6,366.92 = 3,287.20/x
  3. Step 3: Cross multiply
    4,266.40x = 6,366.92 × 3,287.20
  4. Step 4: Simplify right side
    4,266.40x = 20,929,339.42
  5. Step 5: Solve for x
    x = 20,929,339.42/4,266.40
  6. Step 6: Final answer
    x = 4,905.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.