Home / 6,478.96-9,717.40-2,095.84

Finding the Fourth Proportional to 6,478.96, 9,717.40 and 2,095.84

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Solution

The fourth proportional to 6,478.96, 9,717.40 and 2,095.84 is: 3,143.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,478.96 : 9,717.40 = 2,095.84 : x
  2. Step 2: Convert to fraction form
    6,478.96/9,717.40 = 2,095.84/x
  3. Step 3: Cross multiply
    6,478.96x = 9,717.40 × 2,095.84
  4. Step 4: Simplify right side
    6,478.96x = 20,366,115.62
  5. Step 5: Solve for x
    x = 20,366,115.62/6,478.96
  6. Step 6: Final answer
    x = 3,143.42

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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.