Home / 5,218.27-7,814.88-3,020.34

Finding the Fourth Proportional to 5,218.27, 7,814.88 and 3,020.34

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Solution

The fourth proportional to 5,218.27, 7,814.88 and 3,020.34 is: 4,523.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.27 : 7,814.88 = 3,020.34 : x
  2. Step 2: Convert to fraction form
    5,218.27/7,814.88 = 3,020.34/x
  3. Step 3: Cross multiply
    5,218.27x = 7,814.88 × 3,020.34
  4. Step 4: Simplify right side
    5,218.27x = 23,603,580.01
  5. Step 5: Solve for x
    x = 23,603,580.01/5,218.27
  6. Step 6: Final answer
    x = 4,523.26

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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.