Home / 7,908.57-11,858.85-2,641.70

Finding the Fourth Proportional to 7,908.57, 11,858.85 and 2,641.70

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Solution

The fourth proportional to 7,908.57, 11,858.85 and 2,641.70 is: 3,961.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.57 : 11,858.85 = 2,641.70 : x
  2. Step 2: Convert to fraction form
    7,908.57/11,858.85 = 2,641.70/x
  3. Step 3: Cross multiply
    7,908.57x = 11,858.85 × 2,641.70
  4. Step 4: Simplify right side
    7,908.57x = 31,327,553.69
  5. Step 5: Solve for x
    x = 31,327,553.69/7,908.57
  6. Step 6: Final answer
    x = 3,961.22

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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.