Home / 8,127.54-12,185.03-3,739.77

Finding the Fourth Proportional to 8,127.54, 12,185.03 and 3,739.77

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Solution

The fourth proportional to 8,127.54, 12,185.03 and 3,739.77 is: 5,606.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.54 : 12,185.03 = 3,739.77 : x
  2. Step 2: Convert to fraction form
    8,127.54/12,185.03 = 3,739.77/x
  3. Step 3: Cross multiply
    8,127.54x = 12,185.03 × 3,739.77
  4. Step 4: Simplify right side
    8,127.54x = 45,569,218.99
  5. Step 5: Solve for x
    x = 45,569,218.99/8,127.54
  6. Step 6: Final answer
    x = 5,606.77

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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.