Home / 4,780.19-7,174.61-2,008.91

Finding the Fourth Proportional to 4,780.19, 7,174.61 and 2,008.91

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Solution

The fourth proportional to 4,780.19, 7,174.61 and 2,008.91 is: 3,015.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.19 : 7,174.61 = 2,008.91 : x
  2. Step 2: Convert to fraction form
    4,780.19/7,174.61 = 2,008.91/x
  3. Step 3: Cross multiply
    4,780.19x = 7,174.61 × 2,008.91
  4. Step 4: Simplify right side
    4,780.19x = 14,413,135.73
  5. Step 5: Solve for x
    x = 14,413,135.73/4,780.19
  6. Step 6: Final answer
    x = 3,015.18

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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.