Home / 8,091.95-12,138.08-2,248.47

Finding the Fourth Proportional to 8,091.95, 12,138.08 and 2,248.47

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Solution

The fourth proportional to 8,091.95, 12,138.08 and 2,248.47 is: 3,372.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091.95 : 12,138.08 = 2,248.47 : x
  2. Step 2: Convert to fraction form
    8,091.95/12,138.08 = 2,248.47/x
  3. Step 3: Cross multiply
    8,091.95x = 12,138.08 × 2,248.47
  4. Step 4: Simplify right side
    8,091.95x = 27,292,097.50
  5. Step 5: Solve for x
    x = 27,292,097.50/8,091.95
  6. Step 6: Final answer
    x = 3,372.75

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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.