Home / 8,091.74-12,137.60-2,545.58

Finding the Fourth Proportional to 8,091.74, 12,137.60 and 2,545.58

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Solution

The fourth proportional to 8,091.74, 12,137.60 and 2,545.58 is: 3,818.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091.74 : 12,137.60 = 2,545.58 : x
  2. Step 2: Convert to fraction form
    8,091.74/12,137.60 = 2,545.58/x
  3. Step 3: Cross multiply
    8,091.74x = 12,137.60 × 2,545.58
  4. Step 4: Simplify right side
    8,091.74x = 30,897,231.81
  5. Step 5: Solve for x
    x = 30,897,231.81/8,091.74
  6. Step 6: Final answer
    x = 3,818.37

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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.