Home / 8,228.18-12,347.75-3,845.98

Finding the Fourth Proportional to 8,228.18, 12,347.75 and 3,845.98

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Solution

The fourth proportional to 8,228.18, 12,347.75 and 3,845.98 is: 5,771.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228.18 : 12,347.75 = 3,845.98 : x
  2. Step 2: Convert to fraction form
    8,228.18/12,347.75 = 3,845.98/x
  3. Step 3: Cross multiply
    8,228.18x = 12,347.75 × 3,845.98
  4. Step 4: Simplify right side
    8,228.18x = 47,489,118.58
  5. Step 5: Solve for x
    x = 47,489,118.58/8,228.18
  6. Step 6: Final answer
    x = 5,771.52

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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.