Home / 5,230.62-7,835.33-2,590.16

Finding the Fourth Proportional to 5,230.62, 7,835.33 and 2,590.16

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Solution

The fourth proportional to 5,230.62, 7,835.33 and 2,590.16 is: 3,879.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.62 : 7,835.33 = 2,590.16 : x
  2. Step 2: Convert to fraction form
    5,230.62/7,835.33 = 2,590.16/x
  3. Step 3: Cross multiply
    5,230.62x = 7,835.33 × 2,590.16
  4. Step 4: Simplify right side
    5,230.62x = 20,294,706.23
  5. Step 5: Solve for x
    x = 20,294,706.23/5,230.62
  6. Step 6: Final answer
    x = 3,879.98

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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.