Home / 4,072.75-6,109.65-1,151.12

Finding the Fourth Proportional to 4,072.75, 6,109.65 and 1,151.12

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Solution

The fourth proportional to 4,072.75, 6,109.65 and 1,151.12 is: 1,726.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.75 : 6,109.65 = 1,151.12 : x
  2. Step 2: Convert to fraction form
    4,072.75/6,109.65 = 1,151.12/x
  3. Step 3: Cross multiply
    4,072.75x = 6,109.65 × 1,151.12
  4. Step 4: Simplify right side
    4,072.75x = 7,032,955.58
  5. Step 5: Solve for x
    x = 7,032,955.58/4,072.75
  6. Step 6: Final answer
    x = 1,726.83

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1.5x scale

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.