Home / 7,944.86-11,909.54-3,783.74

Finding the Fourth Proportional to 7,944.86, 11,909.54 and 3,783.74

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Solution

The fourth proportional to 7,944.86, 11,909.54 and 3,783.74 is: 5,671.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,944.86 : 11,909.54 = 3,783.74 : x
  2. Step 2: Convert to fraction form
    7,944.86/11,909.54 = 3,783.74/x
  3. Step 3: Cross multiply
    7,944.86x = 11,909.54 × 3,783.74
  4. Step 4: Simplify right side
    7,944.86x = 45,062,583.96
  5. Step 5: Solve for x
    x = 45,062,583.96/7,944.86
  6. Step 6: Final answer
    x = 5,671.92

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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.