Home / 5,293.75-7,941.48-2,172.92

Finding the Fourth Proportional to 5,293.75, 7,941.48 and 2,172.92

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Solution

The fourth proportional to 5,293.75, 7,941.48 and 2,172.92 is: 3,259.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,293.75 : 7,941.48 = 2,172.92 : x
  2. Step 2: Convert to fraction form
    5,293.75/7,941.48 = 2,172.92/x
  3. Step 3: Cross multiply
    5,293.75x = 7,941.48 × 2,172.92
  4. Step 4: Simplify right side
    5,293.75x = 17,256,166.45
  5. Step 5: Solve for x
    x = 17,256,166.45/5,293.75
  6. Step 6: Final answer
    x = 3,259.73

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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.