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Finding the Fourth Proportional to 8,846.10, 12,207.31 and 4,867.17

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Solution

The fourth proportional to 8,846.10, 12,207.31 and 4,867.17 is: 6,716.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,846.10 : 12,207.31 = 4,867.17 : x
  2. Step 2: Convert to fraction form
    8,846.10/12,207.31 = 4,867.17/x
  3. Step 3: Cross multiply
    8,846.10x = 12,207.31 × 4,867.17
  4. Step 4: Simplify right side
    8,846.10x = 59,415,053.01
  5. Step 5: Solve for x
    x = 59,415,053.01/8,846.10
  6. Step 6: Final answer
    x = 6,716.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.