Home / 8,146.61-12,219.99-2,600.34

Finding the Fourth Proportional to 8,146.61, 12,219.99 and 2,600.34

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Solution

The fourth proportional to 8,146.61, 12,219.99 and 2,600.34 is: 3,900.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146.61 : 12,219.99 = 2,600.34 : x
  2. Step 2: Convert to fraction form
    8,146.61/12,219.99 = 2,600.34/x
  3. Step 3: Cross multiply
    8,146.61x = 12,219.99 × 2,600.34
  4. Step 4: Simplify right side
    8,146.61x = 31,776,128.80
  5. Step 5: Solve for x
    x = 31,776,128.80/8,146.61
  6. Step 6: Final answer
    x = 3,900.54

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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.