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Finding the Fourth Proportional to 8,811.33, 13,219.02 and 3,881.35

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Solution

The fourth proportional to 8,811.33, 13,219.02 and 3,881.35 is: 5,822.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.33 : 13,219.02 = 3,881.35 : x
  2. Step 2: Convert to fraction form
    8,811.33/13,219.02 = 3,881.35/x
  3. Step 3: Cross multiply
    8,811.33x = 13,219.02 × 3,881.35
  4. Step 4: Simplify right side
    8,811.33x = 51,307,600.53
  5. Step 5: Solve for x
    x = 51,307,600.53/8,811.33
  6. Step 6: Final answer
    x = 5,822.91

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1.5x scale

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.