Home / 8,169.05-11,275.67-5,336.85

Finding the Fourth Proportional to 8,169.05, 11,275.67 and 5,336.85

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Solution

The fourth proportional to 8,169.05, 11,275.67 and 5,336.85 is: 7,366.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.05 : 11,275.67 = 5,336.85 : x
  2. Step 2: Convert to fraction form
    8,169.05/11,275.67 = 5,336.85/x
  3. Step 3: Cross multiply
    8,169.05x = 11,275.67 × 5,336.85
  4. Step 4: Simplify right side
    8,169.05x = 60,176,615.07
  5. Step 5: Solve for x
    x = 60,176,615.07/8,169.05
  6. Step 6: Final answer
    x = 7,366.41

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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.