Home / 8,101.09-12,152.31-2,257.66

Finding the Fourth Proportional to 8,101.09, 12,152.31 and 2,257.66

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Solution

The fourth proportional to 8,101.09, 12,152.31 and 2,257.66 is: 3,386.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101.09 : 12,152.31 = 2,257.66 : x
  2. Step 2: Convert to fraction form
    8,101.09/12,152.31 = 2,257.66/x
  3. Step 3: Cross multiply
    8,101.09x = 12,152.31 × 2,257.66
  4. Step 4: Simplify right side
    8,101.09x = 27,435,784.19
  5. Step 5: Solve for x
    x = 27,435,784.19/8,101.09
  6. Step 6: Final answer
    x = 3,386.68

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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.