Home / 7,427.79-11,142.09-2,498.94

Finding the Fourth Proportional to 7,427.79, 11,142.09 and 2,498.94

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Solution

The fourth proportional to 7,427.79, 11,142.09 and 2,498.94 is: 3,748.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.79 : 11,142.09 = 2,498.94 : x
  2. Step 2: Convert to fraction form
    7,427.79/11,142.09 = 2,498.94/x
  3. Step 3: Cross multiply
    7,427.79x = 11,142.09 × 2,498.94
  4. Step 4: Simplify right side
    7,427.79x = 27,843,414.38
  5. Step 5: Solve for x
    x = 27,843,414.38/7,427.79
  6. Step 6: Final answer
    x = 3,748.55

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Double scale
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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.