Home / 8,111.37-12,167.07-2,268.03

Finding the Fourth Proportional to 8,111.37, 12,167.07 and 2,268.03

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Solution

The fourth proportional to 8,111.37, 12,167.07 and 2,268.03 is: 3,402.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,111.37 : 12,167.07 = 2,268.03 : x
  2. Step 2: Convert to fraction form
    8,111.37/12,167.07 = 2,268.03/x
  3. Step 3: Cross multiply
    8,111.37x = 12,167.07 × 2,268.03
  4. Step 4: Simplify right side
    8,111.37x = 27,595,279.77
  5. Step 5: Solve for x
    x = 27,595,279.77/8,111.37
  6. Step 6: Final answer
    x = 3,402.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.