Home / 4,162.65-6,241.91-1,388.36

Finding the Fourth Proportional to 4,162.65, 6,241.91 and 1,388.36

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Solution

The fourth proportional to 4,162.65, 6,241.91 and 1,388.36 is: 2,081.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,162.65 : 6,241.91 = 1,388.36 : x
  2. Step 2: Convert to fraction form
    4,162.65/6,241.91 = 1,388.36/x
  3. Step 3: Cross multiply
    4,162.65x = 6,241.91 × 1,388.36
  4. Step 4: Simplify right side
    4,162.65x = 8,665,980.02
  5. Step 5: Solve for x
    x = 8,665,980.02/4,162.65
  6. Step 6: Final answer
    x = 2,081.84

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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.