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Finding the Fourth Proportional to 7,206.62, 9,943.62 and 4,375.49

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Solution

The fourth proportional to 7,206.62, 9,943.62 and 4,375.49 is: 6,037.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,206.62 : 9,943.62 = 4,375.49 : x
  2. Step 2: Convert to fraction form
    7,206.62/9,943.62 = 4,375.49/x
  3. Step 3: Cross multiply
    7,206.62x = 9,943.62 × 4,375.49
  4. Step 4: Simplify right side
    7,206.62x = 43,508,160.16
  5. Step 5: Solve for x
    x = 43,508,160.16/7,206.62
  6. Step 6: Final answer
    x = 6,037.25

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1.5x scale

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.