Home / 8,195.13-12,270.84-4,291.35

Finding the Fourth Proportional to 8,195.13, 12,270.84 and 4,291.35

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Solution

The fourth proportional to 8,195.13, 12,270.84 and 4,291.35 is: 6,425.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195.13 : 12,270.84 = 4,291.35 : x
  2. Step 2: Convert to fraction form
    8,195.13/12,270.84 = 4,291.35/x
  3. Step 3: Cross multiply
    8,195.13x = 12,270.84 × 4,291.35
  4. Step 4: Simplify right side
    8,195.13x = 52,658,469.23
  5. Step 5: Solve for x
    x = 52,658,469.23/8,195.13
  6. Step 6: Final answer
    x = 6,425.58

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1.5x scale

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.