Home / 7,664.45-11,496.39-2,118.11

Finding the Fourth Proportional to 7,664.45, 11,496.39 and 2,118.11

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Solution

The fourth proportional to 7,664.45, 11,496.39 and 2,118.11 is: 3,177.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.45 : 11,496.39 = 2,118.11 : x
  2. Step 2: Convert to fraction form
    7,664.45/11,496.39 = 2,118.11/x
  3. Step 3: Cross multiply
    7,664.45x = 11,496.39 × 2,118.11
  4. Step 4: Simplify right side
    7,664.45x = 24,350,561.14
  5. Step 5: Solve for x
    x = 24,350,561.14/7,664.45
  6. Step 6: Final answer
    x = 3,177.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.