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Finding the Fourth Proportional to 5,385.96, 8,079.03 and 1,923.12

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Solution

The fourth proportional to 5,385.96, 8,079.03 and 1,923.12 is: 2,884.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.96 : 8,079.03 = 1,923.12 : x
  2. Step 2: Convert to fraction form
    5,385.96/8,079.03 = 1,923.12/x
  3. Step 3: Cross multiply
    5,385.96x = 8,079.03 × 1,923.12
  4. Step 4: Simplify right side
    5,385.96x = 15,536,944.17
  5. Step 5: Solve for x
    x = 15,536,944.17/5,385.96
  6. Step 6: Final answer
    x = 2,884.71

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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.