Home / 7,979.04-11,970.06-2,432.88

Finding the Fourth Proportional to 7,979.04, 11,970.06 and 2,432.88

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Solution

The fourth proportional to 7,979.04, 11,970.06 and 2,432.88 is: 3,649.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.04 : 11,970.06 = 2,432.88 : x
  2. Step 2: Convert to fraction form
    7,979.04/11,970.06 = 2,432.88/x
  3. Step 3: Cross multiply
    7,979.04x = 11,970.06 × 2,432.88
  4. Step 4: Simplify right side
    7,979.04x = 29,121,719.57
  5. Step 5: Solve for x
    x = 29,121,719.57/7,979.04
  6. Step 6: Final answer
    x = 3,649.78

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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.