Home / 4,671.30-7,003.45-2,821.99

Finding the Fourth Proportional to 4,671.30, 7,003.45 and 2,821.99

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Solution

The fourth proportional to 4,671.30, 7,003.45 and 2,821.99 is: 4,230.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671.30 : 7,003.45 = 2,821.99 : x
  2. Step 2: Convert to fraction form
    4,671.30/7,003.45 = 2,821.99/x
  3. Step 3: Cross multiply
    4,671.30x = 7,003.45 × 2,821.99
  4. Step 4: Simplify right side
    4,671.30x = 19,763,665.87
  5. Step 5: Solve for x
    x = 19,763,665.87/4,671.30
  6. Step 6: Final answer
    x = 4,230.87

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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.