Home / 6,645.03-9,171.14-5,049.06

Finding the Fourth Proportional to 6,645.03, 9,171.14 and 5,049.06

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Solution

The fourth proportional to 6,645.03, 9,171.14 and 5,049.06 is: 6,968.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645.03 : 9,171.14 = 5,049.06 : x
  2. Step 2: Convert to fraction form
    6,645.03/9,171.14 = 5,049.06/x
  3. Step 3: Cross multiply
    6,645.03x = 9,171.14 × 5,049.06
  4. Step 4: Simplify right side
    6,645.03x = 46,305,636.13
  5. Step 5: Solve for x
    x = 46,305,636.13/6,645.03
  6. Step 6: Final answer
    x = 6,968.46

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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.