Home / 8,811.78-13,216.50-2,968.44

Finding the Fourth Proportional to 8,811.78, 13,216.50 and 2,968.44

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Solution

The fourth proportional to 8,811.78, 13,216.50 and 2,968.44 is: 4,452.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.78 : 13,216.50 = 2,968.44 : x
  2. Step 2: Convert to fraction form
    8,811.78/13,216.50 = 2,968.44/x
  3. Step 3: Cross multiply
    8,811.78x = 13,216.50 × 2,968.44
  4. Step 4: Simplify right side
    8,811.78x = 39,232,387.26
  5. Step 5: Solve for x
    x = 39,232,387.26/8,811.78
  6. Step 6: Final answer
    x = 4,452.27

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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.