Home / 4,019.80-6,028.22-1,386.63

Finding the Fourth Proportional to 4,019.80, 6,028.22 and 1,386.63

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Solution

The fourth proportional to 4,019.80, 6,028.22 and 1,386.63 is: 2,079.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,019.80 : 6,028.22 = 1,386.63 : x
  2. Step 2: Convert to fraction form
    4,019.80/6,028.22 = 1,386.63/x
  3. Step 3: Cross multiply
    4,019.80x = 6,028.22 × 1,386.63
  4. Step 4: Simplify right side
    4,019.80x = 8,358,873.62
  5. Step 5: Solve for x
    x = 8,358,873.62/4,019.80
  6. Step 6: Final answer
    x = 2,079.43

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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.