Home / 8,851.85-13,280.05-2,611.61

Finding the Fourth Proportional to 8,851.85, 13,280.05 and 2,611.61

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Solution

The fourth proportional to 8,851.85, 13,280.05 and 2,611.61 is: 3,918.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851.85 : 13,280.05 = 2,611.61 : x
  2. Step 2: Convert to fraction form
    8,851.85/13,280.05 = 2,611.61/x
  3. Step 3: Cross multiply
    8,851.85x = 13,280.05 × 2,611.61
  4. Step 4: Simplify right side
    8,851.85x = 34,682,298.04
  5. Step 5: Solve for x
    x = 34,682,298.04/8,851.85
  6. Step 6: Final answer
    x = 3,918.09

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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.