Home / 4,293.60-6,439.92-1,662

Finding the Fourth Proportional to 4,293.60, 6,439.92 and 1,662

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Solution

The fourth proportional to 4,293.60, 6,439.92 and 1,662 is: 2,492.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,293.60 : 6,439.92 = 1,662 : x
  2. Step 2: Convert to fraction form
    4,293.60/6,439.92 = 1,662/x
  3. Step 3: Cross multiply
    4,293.60x = 6,439.92 × 1,662
  4. Step 4: Simplify right side
    4,293.60x = 10,703,147.04
  5. Step 5: Solve for x
    x = 10,703,147.04/4,293.60
  6. Step 6: Final answer
    x = 2,492.81

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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.