Home / 7,146.12-10,735.65-6,850.88

Finding the Fourth Proportional to 7,146.12, 10,735.65 and 6,850.88

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Solution

The fourth proportional to 7,146.12, 10,735.65 and 6,850.88 is: 10,292.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146.12 : 10,735.65 = 6,850.88 : x
  2. Step 2: Convert to fraction form
    7,146.12/10,735.65 = 6,850.88/x
  3. Step 3: Cross multiply
    7,146.12x = 10,735.65 × 6,850.88
  4. Step 4: Simplify right side
    7,146.12x = 73,548,649.87
  5. Step 5: Solve for x
    x = 73,548,649.87/7,146.12
  6. Step 6: Final answer
    x = 10,292.11

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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.