Home / 6,677.12-9,212.64-3,882.08

Finding the Fourth Proportional to 6,677.12, 9,212.64 and 3,882.08

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Solution

The fourth proportional to 6,677.12, 9,212.64 and 3,882.08 is: 5,356.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,677.12 : 9,212.64 = 3,882.08 : x
  2. Step 2: Convert to fraction form
    6,677.12/9,212.64 = 3,882.08/x
  3. Step 3: Cross multiply
    6,677.12x = 9,212.64 × 3,882.08
  4. Step 4: Simplify right side
    6,677.12x = 35,764,205.49
  5. Step 5: Solve for x
    x = 35,764,205.49/6,677.12
  6. Step 6: Final answer
    x = 5,356.23

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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.