Home / 8,089.20-11,168.63-6,197.45

Finding the Fourth Proportional to 8,089.20, 11,168.63 and 6,197.45

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Solution

The fourth proportional to 8,089.20, 11,168.63 and 6,197.45 is: 8,556.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,089.20 : 11,168.63 = 6,197.45 : x
  2. Step 2: Convert to fraction form
    8,089.20/11,168.63 = 6,197.45/x
  3. Step 3: Cross multiply
    8,089.20x = 11,168.63 × 6,197.45
  4. Step 4: Simplify right side
    8,089.20x = 69,216,939.16
  5. Step 5: Solve for x
    x = 69,216,939.16/8,089.20
  6. Step 6: Final answer
    x = 8,556.71

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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.