Home / 6,968.92-10,455.32-2,807.96

Finding the Fourth Proportional to 6,968.92, 10,455.32 and 2,807.96

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Solution

The fourth proportional to 6,968.92, 10,455.32 and 2,807.96 is: 4,212.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,968.92 : 10,455.32 = 2,807.96 : x
  2. Step 2: Convert to fraction form
    6,968.92/10,455.32 = 2,807.96/x
  3. Step 3: Cross multiply
    6,968.92x = 10,455.32 × 2,807.96
  4. Step 4: Simplify right side
    6,968.92x = 29,358,120.35
  5. Step 5: Solve for x
    x = 29,358,120.35/6,968.92
  6. Step 6: Final answer
    x = 4,212.72

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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.