Home / 6,857.45-10,284.87-3,343.92

Finding the Fourth Proportional to 6,857.45, 10,284.87 and 3,343.92

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Solution

The fourth proportional to 6,857.45, 10,284.87 and 3,343.92 is: 5,015.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.45 : 10,284.87 = 3,343.92 : x
  2. Step 2: Convert to fraction form
    6,857.45/10,284.87 = 3,343.92/x
  3. Step 3: Cross multiply
    6,857.45x = 10,284.87 × 3,343.92
  4. Step 4: Simplify right side
    6,857.45x = 34,391,782.49
  5. Step 5: Solve for x
    x = 34,391,782.49/6,857.45
  6. Step 6: Final answer
    x = 5,015.24

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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.