Home / 7,819.98-11,728.73-2,554.94

Finding the Fourth Proportional to 7,819.98, 11,728.73 and 2,554.94

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Solution

The fourth proportional to 7,819.98, 11,728.73 and 2,554.94 is: 3,832.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819.98 : 11,728.73 = 2,554.94 : x
  2. Step 2: Convert to fraction form
    7,819.98/11,728.73 = 2,554.94/x
  3. Step 3: Cross multiply
    7,819.98x = 11,728.73 × 2,554.94
  4. Step 4: Simplify right side
    7,819.98x = 29,966,217.97
  5. Step 5: Solve for x
    x = 29,966,217.97/7,819.98
  6. Step 6: Final answer
    x = 3,832.01

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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.