Home / 6,177.86-8,526.77-3,939.22

Finding the Fourth Proportional to 6,177.86, 8,526.77 and 3,939.22

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Solution

The fourth proportional to 6,177.86, 8,526.77 and 3,939.22 is: 5,436.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,177.86 : 8,526.77 = 3,939.22 : x
  2. Step 2: Convert to fraction form
    6,177.86/8,526.77 = 3,939.22/x
  3. Step 3: Cross multiply
    6,177.86x = 8,526.77 × 3,939.22
  4. Step 4: Simplify right side
    6,177.86x = 33,588,822.92
  5. Step 5: Solve for x
    x = 33,588,822.92/6,177.86
  6. Step 6: Final answer
    x = 5,436.97

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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.