Home / 6,807.22-10,211.42-1,876.87

Finding the Fourth Proportional to 6,807.22, 10,211.42 and 1,876.87

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Solution

The fourth proportional to 6,807.22, 10,211.42 and 1,876.87 is: 2,815.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,807.22 : 10,211.42 = 1,876.87 : x
  2. Step 2: Convert to fraction form
    6,807.22/10,211.42 = 1,876.87/x
  3. Step 3: Cross multiply
    6,807.22x = 10,211.42 × 1,876.87
  4. Step 4: Simplify right side
    6,807.22x = 19,165,507.86
  5. Step 5: Solve for x
    x = 19,165,507.86/6,807.22
  6. Step 6: Final answer
    x = 2,815.47

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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.