Home / 5,640.58-7,791.44-4,330.48

Finding the Fourth Proportional to 5,640.58, 7,791.44 and 4,330.48

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Solution

The fourth proportional to 5,640.58, 7,791.44 and 4,330.48 is: 5,981.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,640.58 : 7,791.44 = 4,330.48 : x
  2. Step 2: Convert to fraction form
    5,640.58/7,791.44 = 4,330.48/x
  3. Step 3: Cross multiply
    5,640.58x = 7,791.44 × 4,330.48
  4. Step 4: Simplify right side
    5,640.58x = 33,740,675.09
  5. Step 5: Solve for x
    x = 33,740,675.09/5,640.58
  6. Step 6: Final answer
    x = 5,981.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.