Home / 4,198.15-6,295.87-1,386.35

Finding the Fourth Proportional to 4,198.15, 6,295.87 and 1,386.35

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Solution

The fourth proportional to 4,198.15, 6,295.87 and 1,386.35 is: 2,079.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,198.15 : 6,295.87 = 1,386.35 : x
  2. Step 2: Convert to fraction form
    4,198.15/6,295.87 = 1,386.35/x
  3. Step 3: Cross multiply
    4,198.15x = 6,295.87 × 1,386.35
  4. Step 4: Simplify right side
    4,198.15x = 8,728,279.37
  5. Step 5: Solve for x
    x = 8,728,279.37/4,198.15
  6. Step 6: Final answer
    x = 2,079.08

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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.