Home / 4,899.94-6,761.78-2,661.76

Finding the Fourth Proportional to 4,899.94, 6,761.78 and 2,661.76

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Solution

The fourth proportional to 4,899.94, 6,761.78 and 2,661.76 is: 3,673.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.94 : 6,761.78 = 2,661.76 : x
  2. Step 2: Convert to fraction form
    4,899.94/6,761.78 = 2,661.76/x
  3. Step 3: Cross multiply
    4,899.94x = 6,761.78 × 2,661.76
  4. Step 4: Simplify right side
    4,899.94x = 17,998,240.66
  5. Step 5: Solve for x
    x = 17,998,240.66/4,899.94
  6. Step 6: Final answer
    x = 3,673.15

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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.