Home / 5,201.10-7,180.79-3,607.15

Finding the Fourth Proportional to 5,201.10, 7,180.79 and 3,607.15

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Solution

The fourth proportional to 5,201.10, 7,180.79 and 3,607.15 is: 4,980.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.10 : 7,180.79 = 3,607.15 : x
  2. Step 2: Convert to fraction form
    5,201.10/7,180.79 = 3,607.15/x
  3. Step 3: Cross multiply
    5,201.10x = 7,180.79 × 3,607.15
  4. Step 4: Simplify right side
    5,201.10x = 25,902,228.62
  5. Step 5: Solve for x
    x = 25,902,228.62/5,201.10
  6. Step 6: Final answer
    x = 4,980.14

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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.