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Finding the Fourth Proportional to 6,874.86, 10,311.08 and 1,944.39

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Solution

The fourth proportional to 6,874.86, 10,311.08 and 1,944.39 is: 2,916.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,874.86 : 10,311.08 = 1,944.39 : x
  2. Step 2: Convert to fraction form
    6,874.86/10,311.08 = 1,944.39/x
  3. Step 3: Cross multiply
    6,874.86x = 10,311.08 × 1,944.39
  4. Step 4: Simplify right side
    6,874.86x = 20,048,751.12
  5. Step 5: Solve for x
    x = 20,048,751.12/6,874.86
  6. Step 6: Final answer
    x = 2,916.24

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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.