Home / 4,861.11-7,291.68-1,939.44

Finding the Fourth Proportional to 4,861.11, 7,291.68 and 1,939.44

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Solution

The fourth proportional to 4,861.11, 7,291.68 and 1,939.44 is: 2,909.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861.11 : 7,291.68 = 1,939.44 : x
  2. Step 2: Convert to fraction form
    4,861.11/7,291.68 = 1,939.44/x
  3. Step 3: Cross multiply
    4,861.11x = 7,291.68 × 1,939.44
  4. Step 4: Simplify right side
    4,861.11x = 14,141,775.86
  5. Step 5: Solve for x
    x = 14,141,775.86/4,861.11
  6. Step 6: Final answer
    x = 2,909.17

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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.