Home / 8,161.90-11,265.82-5,329.71

Finding the Fourth Proportional to 8,161.90, 11,265.82 and 5,329.71

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Solution

The fourth proportional to 8,161.90, 11,265.82 and 5,329.71 is: 7,356.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.90 : 11,265.82 = 5,329.71 : x
  2. Step 2: Convert to fraction form
    8,161.90/11,265.82 = 5,329.71/x
  3. Step 3: Cross multiply
    8,161.90x = 11,265.82 × 5,329.71
  4. Step 4: Simplify right side
    8,161.90x = 60,043,525.35
  5. Step 5: Solve for x
    x = 60,043,525.35/8,161.90
  6. Step 6: Final answer
    x = 7,356.57

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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.