Home / 8,805.08-13,208.76-2,879.89

Finding the Fourth Proportional to 8,805.08, 13,208.76 and 2,879.89

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Solution

The fourth proportional to 8,805.08, 13,208.76 and 2,879.89 is: 4,320.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.08 : 13,208.76 = 2,879.89 : x
  2. Step 2: Convert to fraction form
    8,805.08/13,208.76 = 2,879.89/x
  3. Step 3: Cross multiply
    8,805.08x = 13,208.76 × 2,879.89
  4. Step 4: Simplify right side
    8,805.08x = 38,039,792.35
  5. Step 5: Solve for x
    x = 38,039,792.35/8,805.08
  6. Step 6: Final answer
    x = 4,320.21

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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.