Home / 4,928.09-6,793.20-3,931.79

Finding the Fourth Proportional to 4,928.09, 6,793.20 and 3,931.79

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Solution

The fourth proportional to 4,928.09, 6,793.20 and 3,931.79 is: 5,419.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.09 : 6,793.20 = 3,931.79 : x
  2. Step 2: Convert to fraction form
    4,928.09/6,793.20 = 3,931.79/x
  3. Step 3: Cross multiply
    4,928.09x = 6,793.20 × 3,931.79
  4. Step 4: Simplify right side
    4,928.09x = 26,709,401.86
  5. Step 5: Solve for x
    x = 26,709,401.86/4,928.09
  6. Step 6: Final answer
    x = 5,419.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.