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Finding the Fourth Proportional to 7,600.20, 10,495.52 and 7,186.04

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Solution

The fourth proportional to 7,600.20, 10,495.52 and 7,186.04 is: 9,923.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,600.20 : 10,495.52 = 7,186.04 : x
  2. Step 2: Convert to fraction form
    7,600.20/10,495.52 = 7,186.04/x
  3. Step 3: Cross multiply
    7,600.20x = 10,495.52 × 7,186.04
  4. Step 4: Simplify right side
    7,600.20x = 75,421,226.54
  5. Step 5: Solve for x
    x = 75,421,226.54/7,600.20
  6. Step 6: Final answer
    x = 9,923.58

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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.