Home / 5,388.47-8,079.36-2,266.86

Finding the Fourth Proportional to 5,388.47, 8,079.36 and 2,266.86

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Solution

The fourth proportional to 5,388.47, 8,079.36 and 2,266.86 is: 3,398.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.47 : 8,079.36 = 2,266.86 : x
  2. Step 2: Convert to fraction form
    5,388.47/8,079.36 = 2,266.86/x
  3. Step 3: Cross multiply
    5,388.47x = 8,079.36 × 2,266.86
  4. Step 4: Simplify right side
    5,388.47x = 18,314,789.83
  5. Step 5: Solve for x
    x = 18,314,789.83/5,388.47
  6. Step 6: Final answer
    x = 3,398.89

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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.