Home / 4,083-6,119.72-1,742.34

Finding the Fourth Proportional to 4,083, 6,119.72 and 1,742.34

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Solution

The fourth proportional to 4,083, 6,119.72 and 1,742.34 is: 2,611.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083 : 6,119.72 = 1,742.34 : x
  2. Step 2: Convert to fraction form
    4,083/6,119.72 = 1,742.34/x
  3. Step 3: Cross multiply
    4,083x = 6,119.72 × 1,742.34
  4. Step 4: Simplify right side
    4,083x = 10,662,632.94
  5. Step 5: Solve for x
    x = 10,662,632.94/4,083
  6. Step 6: Final answer
    x = 2,611.47

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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.