Home / 7,013.78-10,516.72-2,331.28

Finding the Fourth Proportional to 7,013.78, 10,516.72 and 2,331.28

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Solution

The fourth proportional to 7,013.78, 10,516.72 and 2,331.28 is: 3,495.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013.78 : 10,516.72 = 2,331.28 : x
  2. Step 2: Convert to fraction form
    7,013.78/10,516.72 = 2,331.28/x
  3. Step 3: Cross multiply
    7,013.78x = 10,516.72 × 2,331.28
  4. Step 4: Simplify right side
    7,013.78x = 24,517,419.00
  5. Step 5: Solve for x
    x = 24,517,419.00/7,013.78
  6. Step 6: Final answer
    x = 3,495.61

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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.