Home / 7,540.79-11,314.95-3,383.77

Finding the Fourth Proportional to 7,540.79, 11,314.95 and 3,383.77

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Solution

The fourth proportional to 7,540.79, 11,314.95 and 3,383.77 is: 5,077.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.79 : 11,314.95 = 3,383.77 : x
  2. Step 2: Convert to fraction form
    7,540.79/11,314.95 = 3,383.77/x
  3. Step 3: Cross multiply
    7,540.79x = 11,314.95 × 3,383.77
  4. Step 4: Simplify right side
    7,540.79x = 38,287,160.07
  5. Step 5: Solve for x
    x = 38,287,160.07/7,540.79
  6. Step 6: Final answer
    x = 5,077.34

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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.