Home / 9,863.20-14,789.84-3,287.08

Finding the Fourth Proportional to 9,863.20, 14,789.84 and 3,287.08

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Solution

The fourth proportional to 9,863.20, 14,789.84 and 3,287.08 is: 4,928.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,863.20 : 14,789.84 = 3,287.08 : x
  2. Step 2: Convert to fraction form
    9,863.20/14,789.84 = 3,287.08/x
  3. Step 3: Cross multiply
    9,863.20x = 14,789.84 × 3,287.08
  4. Step 4: Simplify right side
    9,863.20x = 48,615,387.27
  5. Step 5: Solve for x
    x = 48,615,387.27/9,863.20
  6. Step 6: Final answer
    x = 4,928.97

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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.