Home / 5,557.27-7,669.86-3,198.95

Finding the Fourth Proportional to 5,557.27, 7,669.86 and 3,198.95

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Solution

The fourth proportional to 5,557.27, 7,669.86 and 3,198.95 is: 4,415.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.27 : 7,669.86 = 3,198.95 : x
  2. Step 2: Convert to fraction form
    5,557.27/7,669.86 = 3,198.95/x
  3. Step 3: Cross multiply
    5,557.27x = 7,669.86 × 3,198.95
  4. Step 4: Simplify right side
    5,557.27x = 24,535,498.65
  5. Step 5: Solve for x
    x = 24,535,498.65/5,557.27
  6. Step 6: Final answer
    x = 4,415.03

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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.