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Finding the Fourth Proportional to 5,879.97, 8,820.47 and 1,930.05

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Solution

The fourth proportional to 5,879.97, 8,820.47 and 1,930.05 is: 2,895.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.97 : 8,820.47 = 1,930.05 : x
  2. Step 2: Convert to fraction form
    5,879.97/8,820.47 = 1,930.05/x
  3. Step 3: Cross multiply
    5,879.97x = 8,820.47 × 1,930.05
  4. Step 4: Simplify right side
    5,879.97x = 17,023,938.47
  5. Step 5: Solve for x
    x = 17,023,938.47/5,879.97
  6. Step 6: Final answer
    x = 2,895.24

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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.