Home / 4,387.92-6,584.34-1,790.28

Finding the Fourth Proportional to 4,387.92, 6,584.34 and 1,790.28

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Solution

The fourth proportional to 4,387.92, 6,584.34 and 1,790.28 is: 2,686.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.92 : 6,584.34 = 1,790.28 : x
  2. Step 2: Convert to fraction form
    4,387.92/6,584.34 = 1,790.28/x
  3. Step 3: Cross multiply
    4,387.92x = 6,584.34 × 1,790.28
  4. Step 4: Simplify right side
    4,387.92x = 11,787,812.22
  5. Step 5: Solve for x
    x = 11,787,812.22/4,387.92
  6. Step 6: Final answer
    x = 2,686.42

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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.