Home / 7,965.41-11,948.13-2,418.80

Finding the Fourth Proportional to 7,965.41, 11,948.13 and 2,418.80

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Solution

The fourth proportional to 7,965.41, 11,948.13 and 2,418.80 is: 3,628.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965.41 : 11,948.13 = 2,418.80 : x
  2. Step 2: Convert to fraction form
    7,965.41/11,948.13 = 2,418.80/x
  3. Step 3: Cross multiply
    7,965.41x = 11,948.13 × 2,418.80
  4. Step 4: Simplify right side
    7,965.41x = 28,900,077.10
  5. Step 5: Solve for x
    x = 28,900,077.10/7,965.41
  6. Step 6: Final answer
    x = 3,628.20

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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.