Home / 4,079.55-6,119.73-1,305.53

Finding the Fourth Proportional to 4,079.55, 6,119.73 and 1,305.53

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Solution

The fourth proportional to 4,079.55, 6,119.73 and 1,305.53 is: 1,958.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.55 : 6,119.73 = 1,305.53 : x
  2. Step 2: Convert to fraction form
    4,079.55/6,119.73 = 1,305.53/x
  3. Step 3: Cross multiply
    4,079.55x = 6,119.73 × 1,305.53
  4. Step 4: Simplify right side
    4,079.55x = 7,989,491.11
  5. Step 5: Solve for x
    x = 7,989,491.11/4,079.55
  6. Step 6: Final answer
    x = 1,958.42

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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.