Home / 6,850.40-10,275.66-2,170.32

Finding the Fourth Proportional to 6,850.40, 10,275.66 and 2,170.32

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Solution

The fourth proportional to 6,850.40, 10,275.66 and 2,170.32 is: 3,255.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,850.40 : 10,275.66 = 2,170.32 : x
  2. Step 2: Convert to fraction form
    6,850.40/10,275.66 = 2,170.32/x
  3. Step 3: Cross multiply
    6,850.40x = 10,275.66 × 2,170.32
  4. Step 4: Simplify right side
    6,850.40x = 22,301,431.88
  5. Step 5: Solve for x
    x = 22,301,431.88/6,850.40
  6. Step 6: Final answer
    x = 3,255.50

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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.