Home / 4,972.83-6,861.54-2,819.00

Finding the Fourth Proportional to 4,972.83, 6,861.54 and 2,819.00

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Solution

The fourth proportional to 4,972.83, 6,861.54 and 2,819.00 is: 3,889.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.83 : 6,861.54 = 2,819.00 : x
  2. Step 2: Convert to fraction form
    4,972.83/6,861.54 = 2,819.00/x
  3. Step 3: Cross multiply
    4,972.83x = 6,861.54 × 2,819.00
  4. Step 4: Simplify right side
    4,972.83x = 19,342,708.99
  5. Step 5: Solve for x
    x = 19,342,708.99/4,972.83
  6. Step 6: Final answer
    x = 3,889.68

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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.