Home / 6,722.46-10,087.20-2,827.08

Finding the Fourth Proportional to 6,722.46, 10,087.20 and 2,827.08

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Solution

The fourth proportional to 6,722.46, 10,087.20 and 2,827.08 is: 4,242.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,722.46 : 10,087.20 = 2,827.08 : x
  2. Step 2: Convert to fraction form
    6,722.46/10,087.20 = 2,827.08/x
  3. Step 3: Cross multiply
    6,722.46x = 10,087.20 × 2,827.08
  4. Step 4: Simplify right side
    6,722.46x = 28,517,321.38
  5. Step 5: Solve for x
    x = 28,517,321.38/6,722.46
  6. Step 6: Final answer
    x = 4,242.10

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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.