Home / 7,904.24-11,856.42-3,287.24

Finding the Fourth Proportional to 7,904.24, 11,856.42 and 3,287.24

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Solution

The fourth proportional to 7,904.24, 11,856.42 and 3,287.24 is: 4,930.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.24 : 11,856.42 = 3,287.24 : x
  2. Step 2: Convert to fraction form
    7,904.24/11,856.42 = 3,287.24/x
  3. Step 3: Cross multiply
    7,904.24x = 11,856.42 × 3,287.24
  4. Step 4: Simplify right side
    7,904.24x = 38,974,898.08
  5. Step 5: Solve for x
    x = 38,974,898.08/7,904.24
  6. Step 6: Final answer
    x = 4,930.88

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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.