Home / 8,218.48-12,331.50-3,028

Finding the Fourth Proportional to 8,218.48, 12,331.50 and 3,028

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Solution

The fourth proportional to 8,218.48, 12,331.50 and 3,028 is: 4,543.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,218.48 : 12,331.50 = 3,028 : x
  2. Step 2: Convert to fraction form
    8,218.48/12,331.50 = 3,028/x
  3. Step 3: Cross multiply
    8,218.48x = 12,331.50 × 3,028
  4. Step 4: Simplify right side
    8,218.48x = 37,339,782
  5. Step 5: Solve for x
    x = 37,339,782/8,218.48
  6. Step 6: Final answer
    x = 4,543.39

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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.