Home / 6,640.24-9,163.54-3,656.06

Finding the Fourth Proportional to 6,640.24, 9,163.54 and 3,656.06

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Solution

The fourth proportional to 6,640.24, 9,163.54 and 3,656.06 is: 5,045.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640.24 : 9,163.54 = 3,656.06 : x
  2. Step 2: Convert to fraction form
    6,640.24/9,163.54 = 3,656.06/x
  3. Step 3: Cross multiply
    6,640.24x = 9,163.54 × 3,656.06
  4. Step 4: Simplify right side
    6,640.24x = 33,502,452.05
  5. Step 5: Solve for x
    x = 33,502,452.05/6,640.24
  6. Step 6: Final answer
    x = 5,045.37

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1.5x scale

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.