Home / 4,885.83-7,332.68-2,778.75

Finding the Fourth Proportional to 4,885.83, 7,332.68 and 2,778.75

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Solution

The fourth proportional to 4,885.83, 7,332.68 and 2,778.75 is: 4,170.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.83 : 7,332.68 = 2,778.75 : x
  2. Step 2: Convert to fraction form
    4,885.83/7,332.68 = 2,778.75/x
  3. Step 3: Cross multiply
    4,885.83x = 7,332.68 × 2,778.75
  4. Step 4: Simplify right side
    4,885.83x = 20,375,633.99
  5. Step 5: Solve for x
    x = 20,375,633.99/4,885.83
  6. Step 6: Final answer
    x = 4,170.36

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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.