Home / 6,655.78-9,182.01-3,859.66

Finding the Fourth Proportional to 6,655.78, 9,182.01 and 3,859.66

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Solution

The fourth proportional to 6,655.78, 9,182.01 and 3,859.66 is: 5,324.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,655.78 : 9,182.01 = 3,859.66 : x
  2. Step 2: Convert to fraction form
    6,655.78/9,182.01 = 3,859.66/x
  3. Step 3: Cross multiply
    6,655.78x = 9,182.01 × 3,859.66
  4. Step 4: Simplify right side
    6,655.78x = 35,439,436.72
  5. Step 5: Solve for x
    x = 35,439,436.72/6,655.78
  6. Step 6: Final answer
    x = 5,324.61

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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.