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Finding the Fourth Proportional to 5,778.51, 8,667.76 and 1,882.91

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Solution

The fourth proportional to 5,778.51, 8,667.76 and 1,882.91 is: 2,824.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778.51 : 8,667.76 = 1,882.91 : x
  2. Step 2: Convert to fraction form
    5,778.51/8,667.76 = 1,882.91/x
  3. Step 3: Cross multiply
    5,778.51x = 8,667.76 × 1,882.91
  4. Step 4: Simplify right side
    5,778.51x = 16,320,611.98
  5. Step 5: Solve for x
    x = 16,320,611.98/5,778.51
  6. Step 6: Final answer
    x = 2,824.37

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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.