Home / 4,971.80-6,861.00-2,733.65

Finding the Fourth Proportional to 4,971.80, 6,861.00 and 2,733.65

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Solution

The fourth proportional to 4,971.80, 6,861.00 and 2,733.65 is: 3,772.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.80 : 6,861.00 = 2,733.65 : x
  2. Step 2: Convert to fraction form
    4,971.80/6,861.00 = 2,733.65/x
  3. Step 3: Cross multiply
    4,971.80x = 6,861.00 × 2,733.65
  4. Step 4: Simplify right side
    4,971.80x = 18,755,558.98
  5. Step 5: Solve for x
    x = 18,755,558.98/4,971.80
  6. Step 6: Final answer
    x = 3,772.39

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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.