Home / 4,001.25-6,001.89-1,079.56

Finding the Fourth Proportional to 4,001.25, 6,001.89 and 1,079.56

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Solution

The fourth proportional to 4,001.25, 6,001.89 and 1,079.56 is: 1,619.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001.25 : 6,001.89 = 1,079.56 : x
  2. Step 2: Convert to fraction form
    4,001.25/6,001.89 = 1,079.56/x
  3. Step 3: Cross multiply
    4,001.25x = 6,001.89 × 1,079.56
  4. Step 4: Simplify right side
    4,001.25x = 6,479,403.82
  5. Step 5: Solve for x
    x = 6,479,403.82/4,001.25
  6. Step 6: Final answer
    x = 1,619.34

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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.