Home / 8,134.59-11,226.46-5,111.81

Finding the Fourth Proportional to 8,134.59, 11,226.46 and 5,111.81

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Solution

The fourth proportional to 8,134.59, 11,226.46 and 5,111.81 is: 7,054.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,134.59 : 11,226.46 = 5,111.81 : x
  2. Step 2: Convert to fraction form
    8,134.59/11,226.46 = 5,111.81/x
  3. Step 3: Cross multiply
    8,134.59x = 11,226.46 × 5,111.81
  4. Step 4: Simplify right side
    8,134.59x = 57,387,530.49
  5. Step 5: Solve for x
    x = 57,387,530.49/8,134.59
  6. Step 6: Final answer
    x = 7,054.75

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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.