Home / 4,489.12-6,736.16-1,892

Finding the Fourth Proportional to 4,489.12, 6,736.16 and 1,892

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Solution

The fourth proportional to 4,489.12, 6,736.16 and 1,892 is: 2,839.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,489.12 : 6,736.16 = 1,892 : x
  2. Step 2: Convert to fraction form
    4,489.12/6,736.16 = 1,892/x
  3. Step 3: Cross multiply
    4,489.12x = 6,736.16 × 1,892
  4. Step 4: Simplify right side
    4,489.12x = 12,744,814.72
  5. Step 5: Solve for x
    x = 12,744,814.72/4,489.12
  6. Step 6: Final answer
    x = 2,839.05

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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.