Home / 7,110.81-10,664.97-3,214.29

Finding the Fourth Proportional to 7,110.81, 10,664.97 and 3,214.29

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Solution

The fourth proportional to 7,110.81, 10,664.97 and 3,214.29 is: 4,820.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.81 : 10,664.97 = 3,214.29 : x
  2. Step 2: Convert to fraction form
    7,110.81/10,664.97 = 3,214.29/x
  3. Step 3: Cross multiply
    7,110.81x = 10,664.97 × 3,214.29
  4. Step 4: Simplify right side
    7,110.81x = 34,280,306.42
  5. Step 5: Solve for x
    x = 34,280,306.42/7,110.81
  6. Step 6: Final answer
    x = 4,820.87

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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.