Home / 8,629.38-11,908.49-4,903.38

Finding the Fourth Proportional to 8,629.38, 11,908.49 and 4,903.38

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Solution

The fourth proportional to 8,629.38, 11,908.49 and 4,903.38 is: 6,766.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629.38 : 11,908.49 = 4,903.38 : x
  2. Step 2: Convert to fraction form
    8,629.38/11,908.49 = 4,903.38/x
  3. Step 3: Cross multiply
    8,629.38x = 11,908.49 × 4,903.38
  4. Step 4: Simplify right side
    8,629.38x = 58,391,827.18
  5. Step 5: Solve for x
    x = 58,391,827.18/8,629.38
  6. Step 6: Final answer
    x = 6,766.63

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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.