Home / 6,519.84-8,998.67-3,687.22

Finding the Fourth Proportional to 6,519.84, 8,998.67 and 3,687.22

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Solution

The fourth proportional to 6,519.84, 8,998.67 and 3,687.22 is: 5,089.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519.84 : 8,998.67 = 3,687.22 : x
  2. Step 2: Convert to fraction form
    6,519.84/8,998.67 = 3,687.22/x
  3. Step 3: Cross multiply
    6,519.84x = 8,998.67 × 3,687.22
  4. Step 4: Simplify right side
    6,519.84x = 33,180,086.09
  5. Step 5: Solve for x
    x = 33,180,086.09/6,519.84
  6. Step 6: Final answer
    x = 5,089.09

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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.