Home / 7,324.28-10,990.80-6,728.74

Finding the Fourth Proportional to 7,324.28, 10,990.80 and 6,728.74

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Solution

The fourth proportional to 7,324.28, 10,990.80 and 6,728.74 is: 10,097.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,324.28 : 10,990.80 = 6,728.74 : x
  2. Step 2: Convert to fraction form
    7,324.28/10,990.80 = 6,728.74/x
  3. Step 3: Cross multiply
    7,324.28x = 10,990.80 × 6,728.74
  4. Step 4: Simplify right side
    7,324.28x = 73,954,235.59
  5. Step 5: Solve for x
    x = 73,954,235.59/7,324.28
  6. Step 6: Final answer
    x = 10,097.13

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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.