Home / 6,981.30-10,446.03-3,905.46

Finding the Fourth Proportional to 6,981.30, 10,446.03 and 3,905.46

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Solution

The fourth proportional to 6,981.30, 10,446.03 and 3,905.46 is: 5,843.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981.30 : 10,446.03 = 3,905.46 : x
  2. Step 2: Convert to fraction form
    6,981.30/10,446.03 = 3,905.46/x
  3. Step 3: Cross multiply
    6,981.30x = 10,446.03 × 3,905.46
  4. Step 4: Simplify right side
    6,981.30x = 40,796,552.32
  5. Step 5: Solve for x
    x = 40,796,552.32/6,981.30
  6. Step 6: Final answer
    x = 5,843.69

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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.