Home / 8,879.48-13,315.76-3,329.80

Finding the Fourth Proportional to 8,879.48, 13,315.76 and 3,329.80

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Solution

The fourth proportional to 8,879.48, 13,315.76 and 3,329.80 is: 4,993.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,879.48 : 13,315.76 = 3,329.80 : x
  2. Step 2: Convert to fraction form
    8,879.48/13,315.76 = 3,329.80/x
  3. Step 3: Cross multiply
    8,879.48x = 13,315.76 × 3,329.80
  4. Step 4: Simplify right side
    8,879.48x = 44,338,801.00
  5. Step 5: Solve for x
    x = 44,338,801.00/8,879.48
  6. Step 6: Final answer
    x = 4,993.40

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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.