Home / 8,637.57-11,917.73-4,860

Finding the Fourth Proportional to 8,637.57, 11,917.73 and 4,860

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Solution

The fourth proportional to 8,637.57, 11,917.73 and 4,860 is: 6,705.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637.57 : 11,917.73 = 4,860 : x
  2. Step 2: Convert to fraction form
    8,637.57/11,917.73 = 4,860/x
  3. Step 3: Cross multiply
    8,637.57x = 11,917.73 × 4,860
  4. Step 4: Simplify right side
    8,637.57x = 57,920,179.95
  5. Step 5: Solve for x
    x = 57,920,179.95/8,637.57
  6. Step 6: Final answer
    x = 6,705.61

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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.