Home / 5,909.12-8,866.77-3,828.59

Finding the Fourth Proportional to 5,909.12, 8,866.77 and 3,828.59

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Solution

The fourth proportional to 5,909.12, 8,866.77 and 3,828.59 is: 5,744.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.12 : 8,866.77 = 3,828.59 : x
  2. Step 2: Convert to fraction form
    5,909.12/8,866.77 = 3,828.59/x
  3. Step 3: Cross multiply
    5,909.12x = 8,866.77 × 3,828.59
  4. Step 4: Simplify right side
    5,909.12x = 33,947,182.62
  5. Step 5: Solve for x
    x = 33,947,182.62/5,909.12
  6. Step 6: Final answer
    x = 5,744.88

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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.