Home / 7,650.16-11,450.61-3,947.29

Finding the Fourth Proportional to 7,650.16, 11,450.61 and 3,947.29

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Solution

The fourth proportional to 7,650.16, 11,450.61 and 3,947.29 is: 5,908.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,650.16 : 11,450.61 = 3,947.29 : x
  2. Step 2: Convert to fraction form
    7,650.16/11,450.61 = 3,947.29/x
  3. Step 3: Cross multiply
    7,650.16x = 11,450.61 × 3,947.29
  4. Step 4: Simplify right side
    7,650.16x = 45,198,849.72
  5. Step 5: Solve for x
    x = 45,198,849.72/7,650.16
  6. Step 6: Final answer
    x = 5,908.22

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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.