Home / 4,905.78-7,359.92-1,443.04

Finding the Fourth Proportional to 4,905.78, 7,359.92 and 1,443.04

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Solution

The fourth proportional to 4,905.78, 7,359.92 and 1,443.04 is: 2,164.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.78 : 7,359.92 = 1,443.04 : x
  2. Step 2: Convert to fraction form
    4,905.78/7,359.92 = 1,443.04/x
  3. Step 3: Cross multiply
    4,905.78x = 7,359.92 × 1,443.04
  4. Step 4: Simplify right side
    4,905.78x = 10,620,658.96
  5. Step 5: Solve for x
    x = 10,620,658.96/4,905.78
  6. Step 6: Final answer
    x = 2,164.93

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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.