Home / 8,194.89-12,270.47-4,291.09

Finding the Fourth Proportional to 8,194.89, 12,270.47 and 4,291.09

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Solution

The fourth proportional to 8,194.89, 12,270.47 and 4,291.09 is: 6,425.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,194.89 : 12,270.47 = 4,291.09 : x
  2. Step 2: Convert to fraction form
    8,194.89/12,270.47 = 4,291.09/x
  3. Step 3: Cross multiply
    8,194.89x = 12,270.47 × 4,291.09
  4. Step 4: Simplify right side
    8,194.89x = 52,653,669.66
  5. Step 5: Solve for x
    x = 52,653,669.66/8,194.89
  6. Step 6: Final answer
    x = 6,425.18

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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.