Home / 6,143.82-9,215.64-3,679.32

Finding the Fourth Proportional to 6,143.82, 9,215.64 and 3,679.32

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Solution

The fourth proportional to 6,143.82, 9,215.64 and 3,679.32 is: 5,518.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.82 : 9,215.64 = 3,679.32 : x
  2. Step 2: Convert to fraction form
    6,143.82/9,215.64 = 3,679.32/x
  3. Step 3: Cross multiply
    6,143.82x = 9,215.64 × 3,679.32
  4. Step 4: Simplify right side
    6,143.82x = 33,907,288.56
  5. Step 5: Solve for x
    x = 33,907,288.56/6,143.82
  6. Step 6: Final answer
    x = 5,518.93

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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.