Home / 4,198.32-6,298.03-1,386.22

Finding the Fourth Proportional to 4,198.32, 6,298.03 and 1,386.22

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Solution

The fourth proportional to 4,198.32, 6,298.03 and 1,386.22 is: 2,079.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,198.32 : 6,298.03 = 1,386.22 : x
  2. Step 2: Convert to fraction form
    4,198.32/6,298.03 = 1,386.22/x
  3. Step 3: Cross multiply
    4,198.32x = 6,298.03 × 1,386.22
  4. Step 4: Simplify right side
    4,198.32x = 8,730,455.15
  5. Step 5: Solve for x
    x = 8,730,455.15/4,198.32
  6. Step 6: Final answer
    x = 2,079.51

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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.