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Finding the Fourth Proportional to 8,811.34, 13,219.02 and 3,264.76

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Solution

The fourth proportional to 8,811.34, 13,219.02 and 3,264.76 is: 4,897.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.34 : 13,219.02 = 3,264.76 : x
  2. Step 2: Convert to fraction form
    8,811.34/13,219.02 = 3,264.76/x
  3. Step 3: Cross multiply
    8,811.34x = 13,219.02 × 3,264.76
  4. Step 4: Simplify right side
    8,811.34x = 43,156,927.74
  5. Step 5: Solve for x
    x = 43,156,927.74/8,811.34
  6. Step 6: Final answer
    x = 4,897.88

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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.