Home / 4,971.85-6,861.29-2,733.79

Finding the Fourth Proportional to 4,971.85, 6,861.29 and 2,733.79

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Solution

The fourth proportional to 4,971.85, 6,861.29 and 2,733.79 is: 3,772.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.85 : 6,861.29 = 2,733.79 : x
  2. Step 2: Convert to fraction form
    4,971.85/6,861.29 = 2,733.79/x
  3. Step 3: Cross multiply
    4,971.85x = 6,861.29 × 2,733.79
  4. Step 4: Simplify right side
    4,971.85x = 18,757,325.99
  5. Step 5: Solve for x
    x = 18,757,325.99/4,971.85
  6. Step 6: Final answer
    x = 3,772.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.