Home / 5,117.58-7,680.02-3,822.39

Finding the Fourth Proportional to 5,117.58, 7,680.02 and 3,822.39

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Solution

The fourth proportional to 5,117.58, 7,680.02 and 3,822.39 is: 5,736.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.58 : 7,680.02 = 3,822.39 : x
  2. Step 2: Convert to fraction form
    5,117.58/7,680.02 = 3,822.39/x
  3. Step 3: Cross multiply
    5,117.58x = 7,680.02 × 3,822.39
  4. Step 4: Simplify right side
    5,117.58x = 29,356,012.54
  5. Step 5: Solve for x
    x = 29,356,012.54/5,117.58
  6. Step 6: Final answer
    x = 5,736.31

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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.