Home / 8,091.56-12,137.34-2,545.76

Finding the Fourth Proportional to 8,091.56, 12,137.34 and 2,545.76

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Solution

The fourth proportional to 8,091.56, 12,137.34 and 2,545.76 is: 3,818.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091.56 : 12,137.34 = 2,545.76 : x
  2. Step 2: Convert to fraction form
    8,091.56/12,137.34 = 2,545.76/x
  3. Step 3: Cross multiply
    8,091.56x = 12,137.34 × 2,545.76
  4. Step 4: Simplify right side
    8,091.56x = 30,898,754.68
  5. Step 5: Solve for x
    x = 30,898,754.68/8,091.56
  6. Step 6: Final answer
    x = 3,818.64

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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.