Home / 8,107.29-11,186.51-4,961.25

Finding the Fourth Proportional to 8,107.29, 11,186.51 and 4,961.25

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Solution

The fourth proportional to 8,107.29, 11,186.51 and 4,961.25 is: 6,845.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.29 : 11,186.51 = 4,961.25 : x
  2. Step 2: Convert to fraction form
    8,107.29/11,186.51 = 4,961.25/x
  3. Step 3: Cross multiply
    8,107.29x = 11,186.51 × 4,961.25
  4. Step 4: Simplify right side
    8,107.29x = 55,499,047.93
  5. Step 5: Solve for x
    x = 55,499,047.93/8,107.29
  6. Step 6: Final answer
    x = 6,845.57

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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.