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Finding the Fourth Proportional to 6,992.38, 10,490.13 and 2,313.85

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Solution

The fourth proportional to 6,992.38, 10,490.13 and 2,313.85 is: 3,471.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,992.38 : 10,490.13 = 2,313.85 : x
  2. Step 2: Convert to fraction form
    6,992.38/10,490.13 = 2,313.85/x
  3. Step 3: Cross multiply
    6,992.38x = 10,490.13 × 2,313.85
  4. Step 4: Simplify right side
    6,992.38x = 24,272,587.30
  5. Step 5: Solve for x
    x = 24,272,587.30/6,992.38
  6. Step 6: Final answer
    x = 3,471.29

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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.