Home / 6,792.30-10,188.42-1,861.80

Finding the Fourth Proportional to 6,792.30, 10,188.42 and 1,861.80

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Solution

The fourth proportional to 6,792.30, 10,188.42 and 1,861.80 is: 2,792.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,792.30 : 10,188.42 = 1,861.80 : x
  2. Step 2: Convert to fraction form
    6,792.30/10,188.42 = 1,861.80/x
  3. Step 3: Cross multiply
    6,792.30x = 10,188.42 × 1,861.80
  4. Step 4: Simplify right side
    6,792.30x = 18,968,800.36
  5. Step 5: Solve for x
    x = 18,968,800.36/6,792.30
  6. Step 6: Final answer
    x = 2,792.69

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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.