Home / 5,289.29-7,937.91-3,619.41

Finding the Fourth Proportional to 5,289.29, 7,937.91 and 3,619.41

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Solution

The fourth proportional to 5,289.29, 7,937.91 and 3,619.41 is: 5,431.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.29 : 7,937.91 = 3,619.41 : x
  2. Step 2: Convert to fraction form
    5,289.29/7,937.91 = 3,619.41/x
  3. Step 3: Cross multiply
    5,289.29x = 7,937.91 × 3,619.41
  4. Step 4: Simplify right side
    5,289.29x = 28,730,550.83
  5. Step 5: Solve for x
    x = 28,730,550.83/5,289.29
  6. Step 6: Final answer
    x = 5,431.84

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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.