Home / 4,051.16-6,076.78-1,277.78

Finding the Fourth Proportional to 4,051.16, 6,076.78 and 1,277.78

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Solution

The fourth proportional to 4,051.16, 6,076.78 and 1,277.78 is: 1,916.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,051.16 : 6,076.78 = 1,277.78 : x
  2. Step 2: Convert to fraction form
    4,051.16/6,076.78 = 1,277.78/x
  3. Step 3: Cross multiply
    4,051.16x = 6,076.78 × 1,277.78
  4. Step 4: Simplify right side
    4,051.16x = 7,764,787.95
  5. Step 5: Solve for x
    x = 7,764,787.95/4,051.16
  6. Step 6: Final answer
    x = 1,916.68

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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.