Home / 6,728.11-10,088.67-3,955.61

Finding the Fourth Proportional to 6,728.11, 10,088.67 and 3,955.61

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Solution

The fourth proportional to 6,728.11, 10,088.67 and 3,955.61 is: 5,931.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,728.11 : 10,088.67 = 3,955.61 : x
  2. Step 2: Convert to fraction form
    6,728.11/10,088.67 = 3,955.61/x
  3. Step 3: Cross multiply
    6,728.11x = 10,088.67 × 3,955.61
  4. Step 4: Simplify right side
    6,728.11x = 39,906,843.94
  5. Step 5: Solve for x
    x = 39,906,843.94/6,728.11
  6. Step 6: Final answer
    x = 5,931.36

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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.