Home / 5,405.91-8,104.41-2,288.31

Finding the Fourth Proportional to 5,405.91, 8,104.41 and 2,288.31

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Solution

The fourth proportional to 5,405.91, 8,104.41 and 2,288.31 is: 3,430.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.91 : 8,104.41 = 2,288.31 : x
  2. Step 2: Convert to fraction form
    5,405.91/8,104.41 = 2,288.31/x
  3. Step 3: Cross multiply
    5,405.91x = 8,104.41 × 2,288.31
  4. Step 4: Simplify right side
    5,405.91x = 18,545,402.45
  5. Step 5: Solve for x
    x = 18,545,402.45/5,405.91
  6. Step 6: Final answer
    x = 3,430.58

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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.