Home / 4,079.30-6,118.14-1,998.41

Finding the Fourth Proportional to 4,079.30, 6,118.14 and 1,998.41

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Solution

The fourth proportional to 4,079.30, 6,118.14 and 1,998.41 is: 2,997.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.30 : 6,118.14 = 1,998.41 : x
  2. Step 2: Convert to fraction form
    4,079.30/6,118.14 = 1,998.41/x
  3. Step 3: Cross multiply
    4,079.30x = 6,118.14 × 1,998.41
  4. Step 4: Simplify right side
    4,079.30x = 12,226,567.45
  5. Step 5: Solve for x
    x = 12,226,567.45/4,079.30
  6. Step 6: Final answer
    x = 2,997.22

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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.