Home / 4,072.77-6,109.18-1,151.10

Finding the Fourth Proportional to 4,072.77, 6,109.18 and 1,151.10

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Solution

The fourth proportional to 4,072.77, 6,109.18 and 1,151.10 is: 1,726.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.77 : 6,109.18 = 1,151.10 : x
  2. Step 2: Convert to fraction form
    4,072.77/6,109.18 = 1,151.10/x
  3. Step 3: Cross multiply
    4,072.77x = 6,109.18 × 1,151.10
  4. Step 4: Simplify right side
    4,072.77x = 7,032,277.10
  5. Step 5: Solve for x
    x = 7,032,277.10/4,072.77
  6. Step 6: Final answer
    x = 1,726.66

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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.