Home / 8,226.36-11,357.28-5,086.80

Finding the Fourth Proportional to 8,226.36, 11,357.28 and 5,086.80

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Solution

The fourth proportional to 8,226.36, 11,357.28 and 5,086.80 is: 7,022.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,226.36 : 11,357.28 = 5,086.80 : x
  2. Step 2: Convert to fraction form
    8,226.36/11,357.28 = 5,086.80/x
  3. Step 3: Cross multiply
    8,226.36x = 11,357.28 × 5,086.80
  4. Step 4: Simplify right side
    8,226.36x = 57,772,211.90
  5. Step 5: Solve for x
    x = 57,772,211.90/8,226.36
  6. Step 6: Final answer
    x = 7,022.82

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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.