Home / 5,293.04-7,939.16-2,172.25

Finding the Fourth Proportional to 5,293.04, 7,939.16 and 2,172.25

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Solution

The fourth proportional to 5,293.04, 7,939.16 and 2,172.25 is: 3,258.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,293.04 : 7,939.16 = 2,172.25 : x
  2. Step 2: Convert to fraction form
    5,293.04/7,939.16 = 2,172.25/x
  3. Step 3: Cross multiply
    5,293.04x = 7,939.16 × 2,172.25
  4. Step 4: Simplify right side
    5,293.04x = 17,245,789.75
  5. Step 5: Solve for x
    x = 17,245,789.75/5,293.04
  6. Step 6: Final answer
    x = 3,258.20

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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.