Home / 6,792.68-10,187.88-1,861.46

Finding the Fourth Proportional to 6,792.68, 10,187.88 and 1,861.46

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Solution

The fourth proportional to 6,792.68, 10,187.88 and 1,861.46 is: 2,791.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,792.68 : 10,187.88 = 1,861.46 : x
  2. Step 2: Convert to fraction form
    6,792.68/10,187.88 = 1,861.46/x
  3. Step 3: Cross multiply
    6,792.68x = 10,187.88 × 1,861.46
  4. Step 4: Simplify right side
    6,792.68x = 18,964,331.10
  5. Step 5: Solve for x
    x = 18,964,331.10/6,792.68
  6. Step 6: Final answer
    x = 2,791.88

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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.