Home / 7,110.79-10,658.24-2,664.18

Finding the Fourth Proportional to 7,110.79, 10,658.24 and 2,664.18

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Solution

The fourth proportional to 7,110.79, 10,658.24 and 2,664.18 is: 3,993.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.79 : 10,658.24 = 2,664.18 : x
  2. Step 2: Convert to fraction form
    7,110.79/10,658.24 = 2,664.18/x
  3. Step 3: Cross multiply
    7,110.79x = 10,658.24 × 2,664.18
  4. Step 4: Simplify right side
    7,110.79x = 28,395,469.84
  5. Step 5: Solve for x
    x = 28,395,469.84/7,110.79
  6. Step 6: Final answer
    x = 3,993.29

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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.