Home / 8,811.66-13,217.14-2,889

Finding the Fourth Proportional to 8,811.66, 13,217.14 and 2,889

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Solution

The fourth proportional to 8,811.66, 13,217.14 and 2,889 is: 4,333.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.66 : 13,217.14 = 2,889 : x
  2. Step 2: Convert to fraction form
    8,811.66/13,217.14 = 2,889/x
  3. Step 3: Cross multiply
    8,811.66x = 13,217.14 × 2,889
  4. Step 4: Simplify right side
    8,811.66x = 38,184,317.46
  5. Step 5: Solve for x
    x = 38,184,317.46/8,811.66
  6. Step 6: Final answer
    x = 4,333.39

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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.