Home / 6,792.15-10,188.05-1,861.75

Finding the Fourth Proportional to 6,792.15, 10,188.05 and 1,861.75

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Solution

The fourth proportional to 6,792.15, 10,188.05 and 1,861.75 is: 2,792.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,792.15 : 10,188.05 = 1,861.75 : x
  2. Step 2: Convert to fraction form
    6,792.15/10,188.05 = 1,861.75/x
  3. Step 3: Cross multiply
    6,792.15x = 10,188.05 × 1,861.75
  4. Step 4: Simplify right side
    6,792.15x = 18,967,605.51
  5. Step 5: Solve for x
    x = 18,967,605.51/6,792.15
  6. Step 6: Final answer
    x = 2,792.58

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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.