Home / 6,666.39-9,198.90-3,682.08

Finding the Fourth Proportional to 6,666.39, 9,198.90 and 3,682.08

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Solution

The fourth proportional to 6,666.39, 9,198.90 and 3,682.08 is: 5,080.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666.39 : 9,198.90 = 3,682.08 : x
  2. Step 2: Convert to fraction form
    6,666.39/9,198.90 = 3,682.08/x
  3. Step 3: Cross multiply
    6,666.39x = 9,198.90 × 3,682.08
  4. Step 4: Simplify right side
    6,666.39x = 33,871,085.71
  5. Step 5: Solve for x
    x = 33,871,085.71/6,666.39
  6. Step 6: Final answer
    x = 5,080.87

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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.