Home / 6,814-10,161.37-6,751.72

Finding the Fourth Proportional to 6,814, 10,161.37 and 6,751.72

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Solution

The fourth proportional to 6,814, 10,161.37 and 6,751.72 is: 10,068.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,814 : 10,161.37 = 6,751.72 : x
  2. Step 2: Convert to fraction form
    6,814/10,161.37 = 6,751.72/x
  3. Step 3: Cross multiply
    6,814x = 10,161.37 × 6,751.72
  4. Step 4: Simplify right side
    6,814x = 68,606,691.30
  5. Step 5: Solve for x
    x = 68,606,691.30/6,814
  6. Step 6: Final answer
    x = 10,068.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.