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Finding the Fourth Proportional to 5,169.86, 7,754.79 and 1,882.98

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Solution

The fourth proportional to 5,169.86, 7,754.79 and 1,882.98 is: 2,824.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.86 : 7,754.79 = 1,882.98 : x
  2. Step 2: Convert to fraction form
    5,169.86/7,754.79 = 1,882.98/x
  3. Step 3: Cross multiply
    5,169.86x = 7,754.79 × 1,882.98
  4. Step 4: Simplify right side
    5,169.86x = 14,602,110.94
  5. Step 5: Solve for x
    x = 14,602,110.94/5,169.86
  6. Step 6: Final answer
    x = 2,824.47

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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.