Home / 8,100.39-12,150.57-2,257.05

Finding the Fourth Proportional to 8,100.39, 12,150.57 and 2,257.05

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Solution

The fourth proportional to 8,100.39, 12,150.57 and 2,257.05 is: 3,385.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100.39 : 12,150.57 = 2,257.05 : x
  2. Step 2: Convert to fraction form
    8,100.39/12,150.57 = 2,257.05/x
  3. Step 3: Cross multiply
    8,100.39x = 12,150.57 × 2,257.05
  4. Step 4: Simplify right side
    8,100.39x = 27,424,444.02
  5. Step 5: Solve for x
    x = 27,424,444.02/8,100.39
  6. Step 6: Final answer
    x = 3,385.57

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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.