Home / 7,145.62-10,734.90-6,850.38

Finding the Fourth Proportional to 7,145.62, 10,734.90 and 6,850.38

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Solution

The fourth proportional to 7,145.62, 10,734.90 and 6,850.38 is: 10,291.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,145.62 : 10,734.90 = 6,850.38 : x
  2. Step 2: Convert to fraction form
    7,145.62/10,734.90 = 6,850.38/x
  3. Step 3: Cross multiply
    7,145.62x = 10,734.90 × 6,850.38
  4. Step 4: Simplify right side
    7,145.62x = 73,538,144.26
  5. Step 5: Solve for x
    x = 73,538,144.26/7,145.62
  6. Step 6: Final answer
    x = 10,291.36

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1.5x scale

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.