Home / 4,927.82-7,385.32-2,581.88

Finding the Fourth Proportional to 4,927.82, 7,385.32 and 2,581.88

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Solution

The fourth proportional to 4,927.82, 7,385.32 and 2,581.88 is: 3,869.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.82 : 7,385.32 = 2,581.88 : x
  2. Step 2: Convert to fraction form
    4,927.82/7,385.32 = 2,581.88/x
  3. Step 3: Cross multiply
    4,927.82x = 7,385.32 × 2,581.88
  4. Step 4: Simplify right side
    4,927.82x = 19,068,022.01
  5. Step 5: Solve for x
    x = 19,068,022.01/4,927.82
  6. Step 6: Final answer
    x = 3,869.47

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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.