Home / 4,076.64-6,114.42-1,155.15

Finding the Fourth Proportional to 4,076.64, 6,114.42 and 1,155.15

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Solution

The fourth proportional to 4,076.64, 6,114.42 and 1,155.15 is: 1,732.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,076.64 : 6,114.42 = 1,155.15 : x
  2. Step 2: Convert to fraction form
    4,076.64/6,114.42 = 1,155.15/x
  3. Step 3: Cross multiply
    4,076.64x = 6,114.42 × 1,155.15
  4. Step 4: Simplify right side
    4,076.64x = 7,063,072.26
  5. Step 5: Solve for x
    x = 7,063,072.26/4,076.64
  6. Step 6: Final answer
    x = 1,732.57

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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.