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Finding the Fourth Proportional to 4,899.22, 6,760.97 and 2,661.11

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Solution

The fourth proportional to 4,899.22, 6,760.97 and 2,661.11 is: 3,672.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.22 : 6,760.97 = 2,661.11 : x
  2. Step 2: Convert to fraction form
    4,899.22/6,760.97 = 2,661.11/x
  3. Step 3: Cross multiply
    4,899.22x = 6,760.97 × 2,661.11
  4. Step 4: Simplify right side
    4,899.22x = 17,991,711.13
  5. Step 5: Solve for x
    x = 17,991,711.13/4,899.22
  6. Step 6: Final answer
    x = 3,672.36

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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.