Home / 7,743.40-11,605.60-3,058.72

Finding the Fourth Proportional to 7,743.40, 11,605.60 and 3,058.72

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Solution

The fourth proportional to 7,743.40, 11,605.60 and 3,058.72 is: 4,584.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.40 : 11,605.60 = 3,058.72 : x
  2. Step 2: Convert to fraction form
    7,743.40/11,605.60 = 3,058.72/x
  3. Step 3: Cross multiply
    7,743.40x = 11,605.60 × 3,058.72
  4. Step 4: Simplify right side
    7,743.40x = 35,498,280.83
  5. Step 5: Solve for x
    x = 35,498,280.83/7,743.40
  6. Step 6: Final answer
    x = 4,584.33

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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.