Home / 6,475.07-8,936.19-3,643.14

Finding the Fourth Proportional to 6,475.07, 8,936.19 and 3,643.14

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Solution

The fourth proportional to 6,475.07, 8,936.19 and 3,643.14 is: 5,027.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475.07 : 8,936.19 = 3,643.14 : x
  2. Step 2: Convert to fraction form
    6,475.07/8,936.19 = 3,643.14/x
  3. Step 3: Cross multiply
    6,475.07x = 8,936.19 × 3,643.14
  4. Step 4: Simplify right side
    6,475.07x = 32,555,791.24
  5. Step 5: Solve for x
    x = 32,555,791.24/6,475.07
  6. Step 6: Final answer
    x = 5,027.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.