Home / 8,517.35-12,777.23-2,969.89

Finding the Fourth Proportional to 8,517.35, 12,777.23 and 2,969.89

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Solution

The fourth proportional to 8,517.35, 12,777.23 and 2,969.89 is: 4,455.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517.35 : 12,777.23 = 2,969.89 : x
  2. Step 2: Convert to fraction form
    8,517.35/12,777.23 = 2,969.89/x
  3. Step 3: Cross multiply
    8,517.35x = 12,777.23 × 2,969.89
  4. Step 4: Simplify right side
    8,517.35x = 37,946,943.09
  5. Step 5: Solve for x
    x = 37,946,943.09/8,517.35
  6. Step 6: Final answer
    x = 4,455.25

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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.