Home / 6,102.31-8,418.70-3,977.07

Finding the Fourth Proportional to 6,102.31, 8,418.70 and 3,977.07

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Solution

The fourth proportional to 6,102.31, 8,418.70 and 3,977.07 is: 5,486.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,102.31 : 8,418.70 = 3,977.07 : x
  2. Step 2: Convert to fraction form
    6,102.31/8,418.70 = 3,977.07/x
  3. Step 3: Cross multiply
    6,102.31x = 8,418.70 × 3,977.07
  4. Step 4: Simplify right side
    6,102.31x = 33,481,732.61
  5. Step 5: Solve for x
    x = 33,481,732.61/6,102.31
  6. Step 6: Final answer
    x = 5,486.73

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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.