Home / 6,666.05-9,199.10-3,682.09

Finding the Fourth Proportional to 6,666.05, 9,199.10 and 3,682.09

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Solution

The fourth proportional to 6,666.05, 9,199.10 and 3,682.09 is: 5,081.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666.05 : 9,199.10 = 3,682.09 : x
  2. Step 2: Convert to fraction form
    6,666.05/9,199.10 = 3,682.09/x
  3. Step 3: Cross multiply
    6,666.05x = 9,199.10 × 3,682.09
  4. Step 4: Simplify right side
    6,666.05x = 33,871,849.71
  5. Step 5: Solve for x
    x = 33,871,849.71/6,666.05
  6. Step 6: Final answer
    x = 5,081.25

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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.