Home / 5,188.05-7,162.02-3,201.53

Finding the Fourth Proportional to 5,188.05, 7,162.02 and 3,201.53

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Solution

The fourth proportional to 5,188.05, 7,162.02 and 3,201.53 is: 4,419.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.05 : 7,162.02 = 3,201.53 : x
  2. Step 2: Convert to fraction form
    5,188.05/7,162.02 = 3,201.53/x
  3. Step 3: Cross multiply
    5,188.05x = 7,162.02 × 3,201.53
  4. Step 4: Simplify right side
    5,188.05x = 22,929,386.08
  5. Step 5: Solve for x
    x = 22,929,386.08/5,188.05
  6. Step 6: Final answer
    x = 4,419.65

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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.