Home / 4,986.70-6,877.11-3,992.02

Finding the Fourth Proportional to 4,986.70, 6,877.11 and 3,992.02

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Solution

The fourth proportional to 4,986.70, 6,877.11 and 3,992.02 is: 5,505.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.70 : 6,877.11 = 3,992.02 : x
  2. Step 2: Convert to fraction form
    4,986.70/6,877.11 = 3,992.02/x
  3. Step 3: Cross multiply
    4,986.70x = 6,877.11 × 3,992.02
  4. Step 4: Simplify right side
    4,986.70x = 27,453,560.66
  5. Step 5: Solve for x
    x = 27,453,560.66/4,986.70
  6. Step 6: Final answer
    x = 5,505.36

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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.