Home / 7,856.92-11,789.38-5,226.27

Finding the Fourth Proportional to 7,856.92, 11,789.38 and 5,226.27

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Solution

The fourth proportional to 7,856.92, 11,789.38 and 5,226.27 is: 7,842.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,856.92 : 11,789.38 = 5,226.27 : x
  2. Step 2: Convert to fraction form
    7,856.92/11,789.38 = 5,226.27/x
  3. Step 3: Cross multiply
    7,856.92x = 11,789.38 × 5,226.27
  4. Step 4: Simplify right side
    7,856.92x = 61,614,511.65
  5. Step 5: Solve for x
    x = 61,614,511.65/7,856.92
  6. Step 6: Final answer
    x = 7,842.07

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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.