Home / 4,039.50-6,059.31-1,078

Finding the Fourth Proportional to 4,039.50, 6,059.31 and 1,078

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Solution

The fourth proportional to 4,039.50, 6,059.31 and 1,078 is: 1,617.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039.50 : 6,059.31 = 1,078 : x
  2. Step 2: Convert to fraction form
    4,039.50/6,059.31 = 1,078/x
  3. Step 3: Cross multiply
    4,039.50x = 6,059.31 × 1,078
  4. Step 4: Simplify right side
    4,039.50x = 6,531,930.79
  5. Step 5: Solve for x
    x = 6,531,930.79/4,039.50
  6. Step 6: Final answer
    x = 1,617.02

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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.