Home / 7,324.52-10,985.85-2,942.01

Finding the Fourth Proportional to 7,324.52, 10,985.85 and 2,942.01

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Solution

The fourth proportional to 7,324.52, 10,985.85 and 2,942.01 is: 4,412.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,324.52 : 10,985.85 = 2,942.01 : x
  2. Step 2: Convert to fraction form
    7,324.52/10,985.85 = 2,942.01/x
  3. Step 3: Cross multiply
    7,324.52x = 10,985.85 × 2,942.01
  4. Step 4: Simplify right side
    7,324.52x = 32,320,480.56
  5. Step 5: Solve for x
    x = 32,320,480.56/7,324.52
  6. Step 6: Final answer
    x = 4,412.64

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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.