Home / 4,988.70-6,883.98-2,892.96

Finding the Fourth Proportional to 4,988.70, 6,883.98 and 2,892.96

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Solution

The fourth proportional to 4,988.70, 6,883.98 and 2,892.96 is: 3,992.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.70 : 6,883.98 = 2,892.96 : x
  2. Step 2: Convert to fraction form
    4,988.70/6,883.98 = 2,892.96/x
  3. Step 3: Cross multiply
    4,988.70x = 6,883.98 × 2,892.96
  4. Step 4: Simplify right side
    4,988.70x = 19,915,078.78
  5. Step 5: Solve for x
    x = 19,915,078.78/4,988.70
  6. Step 6: Final answer
    x = 3,992.04

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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.