Home / 5,429.14-8,125.24-4,202.02

Finding the Fourth Proportional to 5,429.14, 8,125.24 and 4,202.02

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Solution

The fourth proportional to 5,429.14, 8,125.24 and 4,202.02 is: 6,288.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.14 : 8,125.24 = 4,202.02 : x
  2. Step 2: Convert to fraction form
    5,429.14/8,125.24 = 4,202.02/x
  3. Step 3: Cross multiply
    5,429.14x = 8,125.24 × 4,202.02
  4. Step 4: Simplify right side
    5,429.14x = 34,142,420.98
  5. Step 5: Solve for x
    x = 34,142,420.98/5,429.14
  6. Step 6: Final answer
    x = 6,288.73

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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.