Home / 4,747.84-7,124.31-1,976.43

Finding the Fourth Proportional to 4,747.84, 7,124.31 and 1,976.43

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Solution

The fourth proportional to 4,747.84, 7,124.31 and 1,976.43 is: 2,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747.84 : 7,124.31 = 1,976.43 : x
  2. Step 2: Convert to fraction form
    4,747.84/7,124.31 = 1,976.43/x
  3. Step 3: Cross multiply
    4,747.84x = 7,124.31 × 1,976.43
  4. Step 4: Simplify right side
    4,747.84x = 14,080,664.39
  5. Step 5: Solve for x
    x = 14,080,664.39/4,747.84
  6. Step 6: Final answer
    x = 2,965.70

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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.