Home / 8,040.27-12,039.64-5,549.15

Finding the Fourth Proportional to 8,040.27, 12,039.64 and 5,549.15

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Solution

The fourth proportional to 8,040.27, 12,039.64 and 5,549.15 is: 8,309.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,040.27 : 12,039.64 = 5,549.15 : x
  2. Step 2: Convert to fraction form
    8,040.27/12,039.64 = 5,549.15/x
  3. Step 3: Cross multiply
    8,040.27x = 12,039.64 × 5,549.15
  4. Step 4: Simplify right side
    8,040.27x = 66,809,680.36
  5. Step 5: Solve for x
    x = 66,809,680.36/8,040.27
  6. Step 6: Final answer
    x = 8,309.38

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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.