Home / 6,929.68-10,396.06-1,998.94

Finding the Fourth Proportional to 6,929.68, 10,396.06 and 1,998.94

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Solution

The fourth proportional to 6,929.68, 10,396.06 and 1,998.94 is: 2,998.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929.68 : 10,396.06 = 1,998.94 : x
  2. Step 2: Convert to fraction form
    6,929.68/10,396.06 = 1,998.94/x
  3. Step 3: Cross multiply
    6,929.68x = 10,396.06 × 1,998.94
  4. Step 4: Simplify right side
    6,929.68x = 20,781,100.18
  5. Step 5: Solve for x
    x = 20,781,100.18/6,929.68
  6. Step 6: Final answer
    x = 2,998.85

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1.5x scale

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.