Home / 5,218.61-7,830.44-2,296.54

Finding the Fourth Proportional to 5,218.61, 7,830.44 and 2,296.54

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Solution

The fourth proportional to 5,218.61, 7,830.44 and 2,296.54 is: 3,445.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.61 : 7,830.44 = 2,296.54 : x
  2. Step 2: Convert to fraction form
    5,218.61/7,830.44 = 2,296.54/x
  3. Step 3: Cross multiply
    5,218.61x = 7,830.44 × 2,296.54
  4. Step 4: Simplify right side
    5,218.61x = 17,982,885.27
  5. Step 5: Solve for x
    x = 17,982,885.27/5,218.61
  6. Step 6: Final answer
    x = 3,445.91

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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.