Home / 6,643.07-9,167.32-3,659.18

Finding the Fourth Proportional to 6,643.07, 9,167.32 and 3,659.18

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Solution

The fourth proportional to 6,643.07, 9,167.32 and 3,659.18 is: 5,049.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643.07 : 9,167.32 = 3,659.18 : x
  2. Step 2: Convert to fraction form
    6,643.07/9,167.32 = 3,659.18/x
  3. Step 3: Cross multiply
    6,643.07x = 9,167.32 × 3,659.18
  4. Step 4: Simplify right side
    6,643.07x = 33,544,841.93
  5. Step 5: Solve for x
    x = 33,544,841.93/6,643.07
  6. Step 6: Final answer
    x = 5,049.60

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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.