Home / 6,618.09-9,132.93-3,633.98

Finding the Fourth Proportional to 6,618.09, 9,132.93 and 3,633.98

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Solution

The fourth proportional to 6,618.09, 9,132.93 and 3,633.98 is: 5,014.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.09 : 9,132.93 = 3,633.98 : x
  2. Step 2: Convert to fraction form
    6,618.09/9,132.93 = 3,633.98/x
  3. Step 3: Cross multiply
    6,618.09x = 9,132.93 × 3,633.98
  4. Step 4: Simplify right side
    6,618.09x = 33,188,839.30
  5. Step 5: Solve for x
    x = 33,188,839.30/6,618.09
  6. Step 6: Final answer
    x = 5,014.87

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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.