Home / 4,125-5,688.23-2,867.48

Finding the Fourth Proportional to 4,125, 5,688.23 and 2,867.48

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Solution

The fourth proportional to 4,125, 5,688.23 and 2,867.48 is: 3,954.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,125 : 5,688.23 = 2,867.48 : x
  2. Step 2: Convert to fraction form
    4,125/5,688.23 = 2,867.48/x
  3. Step 3: Cross multiply
    4,125x = 5,688.23 × 2,867.48
  4. Step 4: Simplify right side
    4,125x = 16,310,842.98
  5. Step 5: Solve for x
    x = 16,310,842.98/4,125
  6. Step 6: Final answer
    x = 3,954.14

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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.