Home / 7,914.58-11,875.92-3,238.05

Finding the Fourth Proportional to 7,914.58, 11,875.92 and 3,238.05

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Solution

The fourth proportional to 7,914.58, 11,875.92 and 3,238.05 is: 4,858.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.58 : 11,875.92 = 3,238.05 : x
  2. Step 2: Convert to fraction form
    7,914.58/11,875.92 = 3,238.05/x
  3. Step 3: Cross multiply
    7,914.58x = 11,875.92 × 3,238.05
  4. Step 4: Simplify right side
    7,914.58x = 38,454,822.76
  5. Step 5: Solve for x
    x = 38,454,822.76/7,914.58
  6. Step 6: Final answer
    x = 4,858.73

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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.