Home / 7,945.11-10,963.99-4,408.58

Finding the Fourth Proportional to 7,945.11, 10,963.99 and 4,408.58

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Solution

The fourth proportional to 7,945.11, 10,963.99 and 4,408.58 is: 6,083.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.11 : 10,963.99 = 4,408.58 : x
  2. Step 2: Convert to fraction form
    7,945.11/10,963.99 = 4,408.58/x
  3. Step 3: Cross multiply
    7,945.11x = 10,963.99 × 4,408.58
  4. Step 4: Simplify right side
    7,945.11x = 48,335,659.95
  5. Step 5: Solve for x
    x = 48,335,659.95/7,945.11
  6. Step 6: Final answer
    x = 6,083.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.