Home / 5,003.57-6,905.45-2,879.75

Finding the Fourth Proportional to 5,003.57, 6,905.45 and 2,879.75

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Solution

The fourth proportional to 5,003.57, 6,905.45 and 2,879.75 is: 3,974.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,003.57 : 6,905.45 = 2,879.75 : x
  2. Step 2: Convert to fraction form
    5,003.57/6,905.45 = 2,879.75/x
  3. Step 3: Cross multiply
    5,003.57x = 6,905.45 × 2,879.75
  4. Step 4: Simplify right side
    5,003.57x = 19,885,994.10
  5. Step 5: Solve for x
    x = 19,885,994.10/5,003.57
  6. Step 6: Final answer
    x = 3,974.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.