Home / 4,077-6,111.88-1,479.36

Finding the Fourth Proportional to 4,077, 6,111.88 and 1,479.36

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Solution

The fourth proportional to 4,077, 6,111.88 and 1,479.36 is: 2,217.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077 : 6,111.88 = 1,479.36 : x
  2. Step 2: Convert to fraction form
    4,077/6,111.88 = 1,479.36/x
  3. Step 3: Cross multiply
    4,077x = 6,111.88 × 1,479.36
  4. Step 4: Simplify right side
    4,077x = 9,041,670.80
  5. Step 5: Solve for x
    x = 9,041,670.80/4,077
  6. Step 6: Final answer
    x = 2,217.73

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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.