Home / 6,519.95-8,997.92-3,687.58

Finding the Fourth Proportional to 6,519.95, 8,997.92 and 3,687.58

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Solution

The fourth proportional to 6,519.95, 8,997.92 and 3,687.58 is: 5,089.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519.95 : 8,997.92 = 3,687.58 : x
  2. Step 2: Convert to fraction form
    6,519.95/8,997.92 = 3,687.58/x
  3. Step 3: Cross multiply
    6,519.95x = 8,997.92 × 3,687.58
  4. Step 4: Simplify right side
    6,519.95x = 33,180,508.90
  5. Step 5: Solve for x
    x = 33,180,508.90/6,519.95
  6. Step 6: Final answer
    x = 5,089.07

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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.