Home / 4,072.77-6,107.93-2,123.91

Finding the Fourth Proportional to 4,072.77, 6,107.93 and 2,123.91

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Solution

The fourth proportional to 4,072.77, 6,107.93 and 2,123.91 is: 3,185.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.77 : 6,107.93 = 2,123.91 : x
  2. Step 2: Convert to fraction form
    4,072.77/6,107.93 = 2,123.91/x
  3. Step 3: Cross multiply
    4,072.77x = 6,107.93 × 2,123.91
  4. Step 4: Simplify right side
    4,072.77x = 12,972,693.61
  5. Step 5: Solve for x
    x = 12,972,693.61/4,072.77
  6. Step 6: Final answer
    x = 3,185.23

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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.