Home / 7,172.24-10,738.92-3,702.16

Finding the Fourth Proportional to 7,172.24, 10,738.92 and 3,702.16

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Solution

The fourth proportional to 7,172.24, 10,738.92 and 3,702.16 is: 5,543.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172.24 : 10,738.92 = 3,702.16 : x
  2. Step 2: Convert to fraction form
    7,172.24/10,738.92 = 3,702.16/x
  3. Step 3: Cross multiply
    7,172.24x = 10,738.92 × 3,702.16
  4. Step 4: Simplify right side
    7,172.24x = 39,757,200.07
  5. Step 5: Solve for x
    x = 39,757,200.07/7,172.24
  6. Step 6: Final answer
    x = 5,543.21

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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.