Home / 4,771.35-7,158.48-2,305.71

Finding the Fourth Proportional to 4,771.35, 7,158.48 and 2,305.71

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Solution

The fourth proportional to 4,771.35, 7,158.48 and 2,305.71 is: 3,459.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771.35 : 7,158.48 = 2,305.71 : x
  2. Step 2: Convert to fraction form
    4,771.35/7,158.48 = 2,305.71/x
  3. Step 3: Cross multiply
    4,771.35x = 7,158.48 × 2,305.71
  4. Step 4: Simplify right side
    4,771.35x = 16,505,378.92
  5. Step 5: Solve for x
    x = 16,505,378.92/4,771.35
  6. Step 6: Final answer
    x = 3,459.27

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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.