Home / 4,079.31-6,107.99-2,127.39

Finding the Fourth Proportional to 4,079.31, 6,107.99 and 2,127.39

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Solution

The fourth proportional to 4,079.31, 6,107.99 and 2,127.39 is: 3,185.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.31 : 6,107.99 = 2,127.39 : x
  2. Step 2: Convert to fraction form
    4,079.31/6,107.99 = 2,127.39/x
  3. Step 3: Cross multiply
    4,079.31x = 6,107.99 × 2,127.39
  4. Step 4: Simplify right side
    4,079.31x = 12,994,066.21
  5. Step 5: Solve for x
    x = 12,994,066.21/4,079.31
  6. Step 6: Final answer
    x = 3,185.36

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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.