Home / 6,124.86-9,187.92-1,963.80

Finding the Fourth Proportional to 6,124.86, 9,187.92 and 1,963.80

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Solution

The fourth proportional to 6,124.86, 9,187.92 and 1,963.80 is: 2,945.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,124.86 : 9,187.92 = 1,963.80 : x
  2. Step 2: Convert to fraction form
    6,124.86/9,187.92 = 1,963.80/x
  3. Step 3: Cross multiply
    6,124.86x = 9,187.92 × 1,963.80
  4. Step 4: Simplify right side
    6,124.86x = 18,043,237.30
  5. Step 5: Solve for x
    x = 18,043,237.30/6,124.86
  6. Step 6: Final answer
    x = 2,945.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.