Home / 7,748.07-11,622.09-1,904.73

Finding the Fourth Proportional to 7,748.07, 11,622.09 and 1,904.73

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Solution

The fourth proportional to 7,748.07, 11,622.09 and 1,904.73 is: 2,857.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.07 : 11,622.09 = 1,904.73 : x
  2. Step 2: Convert to fraction form
    7,748.07/11,622.09 = 1,904.73/x
  3. Step 3: Cross multiply
    7,748.07x = 11,622.09 × 1,904.73
  4. Step 4: Simplify right side
    7,748.07x = 22,136,943.49
  5. Step 5: Solve for x
    x = 22,136,943.49/7,748.07
  6. Step 6: Final answer
    x = 2,857.09

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Similar ratio
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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.