Home / 5,174.27-7,763.93-2,211.90

Finding the Fourth Proportional to 5,174.27, 7,763.93 and 2,211.90

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Solution

The fourth proportional to 5,174.27, 7,763.93 and 2,211.90 is: 3,318.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.27 : 7,763.93 = 2,211.90 : x
  2. Step 2: Convert to fraction form
    5,174.27/7,763.93 = 2,211.90/x
  3. Step 3: Cross multiply
    5,174.27x = 7,763.93 × 2,211.90
  4. Step 4: Simplify right side
    5,174.27x = 17,173,036.77
  5. Step 5: Solve for x
    x = 17,173,036.77/5,174.27
  6. Step 6: Final answer
    x = 3,318.93

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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.