Home / 8,606.36-12,906.66-2,761.58

Finding the Fourth Proportional to 8,606.36, 12,906.66 and 2,761.58

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Solution

The fourth proportional to 8,606.36, 12,906.66 and 2,761.58 is: 4,141.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606.36 : 12,906.66 = 2,761.58 : x
  2. Step 2: Convert to fraction form
    8,606.36/12,906.66 = 2,761.58/x
  3. Step 3: Cross multiply
    8,606.36x = 12,906.66 × 2,761.58
  4. Step 4: Simplify right side
    8,606.36x = 35,642,774.12
  5. Step 5: Solve for x
    x = 35,642,774.12/8,606.36
  6. Step 6: Final answer
    x = 4,141.45

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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.