Home / 4,971.90-6,861.45-2,733.96

Finding the Fourth Proportional to 4,971.90, 6,861.45 and 2,733.96

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Solution

The fourth proportional to 4,971.90, 6,861.45 and 2,733.96 is: 3,772.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.90 : 6,861.45 = 2,733.96 : x
  2. Step 2: Convert to fraction form
    4,971.90/6,861.45 = 2,733.96/x
  3. Step 3: Cross multiply
    4,971.90x = 6,861.45 × 2,733.96
  4. Step 4: Simplify right side
    4,971.90x = 18,758,929.84
  5. Step 5: Solve for x
    x = 18,758,929.84/4,971.90
  6. Step 6: Final answer
    x = 3,772.99

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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.