Home / 6,661.29-9,192.56-3,677.12

Finding the Fourth Proportional to 6,661.29, 9,192.56 and 3,677.12

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Solution

The fourth proportional to 6,661.29, 9,192.56 and 3,677.12 is: 5,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661.29 : 9,192.56 = 3,677.12 : x
  2. Step 2: Convert to fraction form
    6,661.29/9,192.56 = 3,677.12/x
  3. Step 3: Cross multiply
    6,661.29x = 9,192.56 × 3,677.12
  4. Step 4: Simplify right side
    6,661.29x = 33,802,081.88
  5. Step 5: Solve for x
    x = 33,802,081.88/6,661.29
  6. Step 6: Final answer
    x = 5,074.40

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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.