Home / 6,682.36-9,222.78-3,889.48

Finding the Fourth Proportional to 6,682.36, 9,222.78 and 3,889.48

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Solution

The fourth proportional to 6,682.36, 9,222.78 and 3,889.48 is: 5,368.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,682.36 : 9,222.78 = 3,889.48 : x
  2. Step 2: Convert to fraction form
    6,682.36/9,222.78 = 3,889.48/x
  3. Step 3: Cross multiply
    6,682.36x = 9,222.78 × 3,889.48
  4. Step 4: Simplify right side
    6,682.36x = 35,871,818.35
  5. Step 5: Solve for x
    x = 35,871,818.35/6,682.36
  6. Step 6: Final answer
    x = 5,368.14

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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.