Home / 8,971.68-13,452.12-3,971.46

Finding the Fourth Proportional to 8,971.68, 13,452.12 and 3,971.46

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Solution

The fourth proportional to 8,971.68, 13,452.12 and 3,971.46 is: 5,954.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971.68 : 13,452.12 = 3,971.46 : x
  2. Step 2: Convert to fraction form
    8,971.68/13,452.12 = 3,971.46/x
  3. Step 3: Cross multiply
    8,971.68x = 13,452.12 × 3,971.46
  4. Step 4: Simplify right side
    8,971.68x = 53,424,556.50
  5. Step 5: Solve for x
    x = 53,424,556.50/8,971.68
  6. Step 6: Final answer
    x = 5,954.80

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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.