Home / 6,172.25-8,518.23-3,519.77

Finding the Fourth Proportional to 6,172.25, 8,518.23 and 3,519.77

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Solution

The fourth proportional to 6,172.25, 8,518.23 and 3,519.77 is: 4,857.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172.25 : 8,518.23 = 3,519.77 : x
  2. Step 2: Convert to fraction form
    6,172.25/8,518.23 = 3,519.77/x
  3. Step 3: Cross multiply
    6,172.25x = 8,518.23 × 3,519.77
  4. Step 4: Simplify right side
    6,172.25x = 29,982,167.82
  5. Step 5: Solve for x
    x = 29,982,167.82/6,172.25
  6. Step 6: Final answer
    x = 4,857.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.