Home / 7,766.08-11,650.92-2,219.50

Finding the Fourth Proportional to 7,766.08, 11,650.92 and 2,219.50

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Solution

The fourth proportional to 7,766.08, 11,650.92 and 2,219.50 is: 3,329.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.08 : 11,650.92 = 2,219.50 : x
  2. Step 2: Convert to fraction form
    7,766.08/11,650.92 = 2,219.50/x
  3. Step 3: Cross multiply
    7,766.08x = 11,650.92 × 2,219.50
  4. Step 4: Simplify right side
    7,766.08x = 25,859,216.94
  5. Step 5: Solve for x
    x = 25,859,216.94/7,766.08
  6. Step 6: Final answer
    x = 3,329.76

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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.