Home / 7,945.92-11,923.20-3,332.16

Finding the Fourth Proportional to 7,945.92, 11,923.20 and 3,332.16

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Solution

The fourth proportional to 7,945.92, 11,923.20 and 3,332.16 is: 5,000.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.92 : 11,923.20 = 3,332.16 : x
  2. Step 2: Convert to fraction form
    7,945.92/11,923.20 = 3,332.16/x
  3. Step 3: Cross multiply
    7,945.92x = 11,923.20 × 3,332.16
  4. Step 4: Simplify right side
    7,945.92x = 39,730,010.11
  5. Step 5: Solve for x
    x = 39,730,010.11/7,945.92
  6. Step 6: Final answer
    x = 5,000.05

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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.