Home / 7,939.49-11,910.95-3,009.18

Finding the Fourth Proportional to 7,939.49, 11,910.95 and 3,009.18

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Solution

The fourth proportional to 7,939.49, 11,910.95 and 3,009.18 is: 4,514.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.49 : 11,910.95 = 3,009.18 : x
  2. Step 2: Convert to fraction form
    7,939.49/11,910.95 = 3,009.18/x
  3. Step 3: Cross multiply
    7,939.49x = 11,910.95 × 3,009.18
  4. Step 4: Simplify right side
    7,939.49x = 35,842,132.93
  5. Step 5: Solve for x
    x = 35,842,132.93/7,939.49
  6. Step 6: Final answer
    x = 4,514.41

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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.