Home / 5,245.43-7,237.06-2,976.39

Finding the Fourth Proportional to 5,245.43, 7,237.06 and 2,976.39

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Solution

The fourth proportional to 5,245.43, 7,237.06 and 2,976.39 is: 4,106.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.43 : 7,237.06 = 2,976.39 : x
  2. Step 2: Convert to fraction form
    5,245.43/7,237.06 = 2,976.39/x
  3. Step 3: Cross multiply
    5,245.43x = 7,237.06 × 2,976.39
  4. Step 4: Simplify right side
    5,245.43x = 21,540,336.43
  5. Step 5: Solve for x
    x = 21,540,336.43/5,245.43
  6. Step 6: Final answer
    x = 4,106.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.