Home / 8,811.02-13,215.30-2,236.80

Finding the Fourth Proportional to 8,811.02, 13,215.30 and 2,236.80

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Solution

The fourth proportional to 8,811.02, 13,215.30 and 2,236.80 is: 3,354.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.02 : 13,215.30 = 2,236.80 : x
  2. Step 2: Convert to fraction form
    8,811.02/13,215.30 = 2,236.80/x
  3. Step 3: Cross multiply
    8,811.02x = 13,215.30 × 2,236.80
  4. Step 4: Simplify right side
    8,811.02x = 29,559,983.04
  5. Step 5: Solve for x
    x = 29,559,983.04/8,811.02
  6. Step 6: Final answer
    x = 3,354.89

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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.