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Finding the Fourth Proportional to 5,579.03, 8,362.70 and 1,879.97

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Solution

The fourth proportional to 5,579.03, 8,362.70 and 1,879.97 is: 2,817.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.03 : 8,362.70 = 1,879.97 : x
  2. Step 2: Convert to fraction form
    5,579.03/8,362.70 = 1,879.97/x
  3. Step 3: Cross multiply
    5,579.03x = 8,362.70 × 1,879.97
  4. Step 4: Simplify right side
    5,579.03x = 15,721,636.63
  5. Step 5: Solve for x
    x = 15,721,636.63/5,579.03
  6. Step 6: Final answer
    x = 2,817.99

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1.5x scale

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.