Home / 8,811.84-13,217.85-2,968.46

Finding the Fourth Proportional to 8,811.84, 13,217.85 and 2,968.46

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Solution

The fourth proportional to 8,811.84, 13,217.85 and 2,968.46 is: 4,452.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.84 : 13,217.85 = 2,968.46 : x
  2. Step 2: Convert to fraction form
    8,811.84/13,217.85 = 2,968.46/x
  3. Step 3: Cross multiply
    8,811.84x = 13,217.85 × 2,968.46
  4. Step 4: Simplify right side
    8,811.84x = 39,236,659.01
  5. Step 5: Solve for x
    x = 39,236,659.01/8,811.84
  6. Step 6: Final answer
    x = 4,452.72

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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.