Home / 4,076.80-6,114.56-1,155.36

Finding the Fourth Proportional to 4,076.80, 6,114.56 and 1,155.36

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Solution

The fourth proportional to 4,076.80, 6,114.56 and 1,155.36 is: 1,732.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,076.80 : 6,114.56 = 1,155.36 : x
  2. Step 2: Convert to fraction form
    4,076.80/6,114.56 = 1,155.36/x
  3. Step 3: Cross multiply
    4,076.80x = 6,114.56 × 1,155.36
  4. Step 4: Simplify right side
    4,076.80x = 7,064,518.04
  5. Step 5: Solve for x
    x = 7,064,518.04/4,076.80
  6. Step 6: Final answer
    x = 1,732.86

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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.