Home / 8,927.37-13,388.70-2,685.78

Finding the Fourth Proportional to 8,927.37, 13,388.70 and 2,685.78

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Solution

The fourth proportional to 8,927.37, 13,388.70 and 2,685.78 is: 4,027.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927.37 : 13,388.70 = 2,685.78 : x
  2. Step 2: Convert to fraction form
    8,927.37/13,388.70 = 2,685.78/x
  3. Step 3: Cross multiply
    8,927.37x = 13,388.70 × 2,685.78
  4. Step 4: Simplify right side
    8,927.37x = 35,959,102.69
  5. Step 5: Solve for x
    x = 35,959,102.69/8,927.37
  6. Step 6: Final answer
    x = 4,027.96

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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.