Home / 8,207.40-12,305.98-3,277.80

Finding the Fourth Proportional to 8,207.40, 12,305.98 and 3,277.80

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Solution

The fourth proportional to 8,207.40, 12,305.98 and 3,277.80 is: 4,914.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207.40 : 12,305.98 = 3,277.80 : x
  2. Step 2: Convert to fraction form
    8,207.40/12,305.98 = 3,277.80/x
  3. Step 3: Cross multiply
    8,207.40x = 12,305.98 × 3,277.80
  4. Step 4: Simplify right side
    8,207.40x = 40,336,541.24
  5. Step 5: Solve for x
    x = 40,336,541.24/8,207.40
  6. Step 6: Final answer
    x = 4,914.66

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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.