Home / 4,861.68-7,292.52-1,939.92

Finding the Fourth Proportional to 4,861.68, 7,292.52 and 1,939.92

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Solution

The fourth proportional to 4,861.68, 7,292.52 and 1,939.92 is: 2,909.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861.68 : 7,292.52 = 1,939.92 : x
  2. Step 2: Convert to fraction form
    4,861.68/7,292.52 = 1,939.92/x
  3. Step 3: Cross multiply
    4,861.68x = 7,292.52 × 1,939.92
  4. Step 4: Simplify right side
    4,861.68x = 14,146,905.40
  5. Step 5: Solve for x
    x = 14,146,905.40/4,861.68
  6. Step 6: Final answer
    x = 2,909.88

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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.