Home / 8,811.70-13,219.54-2,968.14

Finding the Fourth Proportional to 8,811.70, 13,219.54 and 2,968.14

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Solution

The fourth proportional to 8,811.70, 13,219.54 and 2,968.14 is: 4,452.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.70 : 13,219.54 = 2,968.14 : x
  2. Step 2: Convert to fraction form
    8,811.70/13,219.54 = 2,968.14/x
  3. Step 3: Cross multiply
    8,811.70x = 13,219.54 × 2,968.14
  4. Step 4: Simplify right side
    8,811.70x = 39,237,445.46
  5. Step 5: Solve for x
    x = 39,237,445.46/8,811.70
  6. Step 6: Final answer
    x = 4,452.88

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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.