Home / 7,979.41-11,969.58-2,432.95

Finding the Fourth Proportional to 7,979.41, 11,969.58 and 2,432.95

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Solution

The fourth proportional to 7,979.41, 11,969.58 and 2,432.95 is: 3,649.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.41 : 11,969.58 = 2,432.95 : x
  2. Step 2: Convert to fraction form
    7,979.41/11,969.58 = 2,432.95/x
  3. Step 3: Cross multiply
    7,979.41x = 11,969.58 × 2,432.95
  4. Step 4: Simplify right side
    7,979.41x = 29,121,389.66
  5. Step 5: Solve for x
    x = 29,121,389.66/7,979.41
  6. Step 6: Final answer
    x = 3,649.57

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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.