Home / 4,091.46-6,135.90-1,317.52

Finding the Fourth Proportional to 4,091.46, 6,135.90 and 1,317.52

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Solution

The fourth proportional to 4,091.46, 6,135.90 and 1,317.52 is: 1,975.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,091.46 : 6,135.90 = 1,317.52 : x
  2. Step 2: Convert to fraction form
    4,091.46/6,135.90 = 1,317.52/x
  3. Step 3: Cross multiply
    4,091.46x = 6,135.90 × 1,317.52
  4. Step 4: Simplify right side
    4,091.46x = 8,084,146.59
  5. Step 5: Solve for x
    x = 8,084,146.59/4,091.46
  6. Step 6: Final answer
    x = 1,975.86

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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.