Home / 5,640.24-7,783.44-3,283.68

Finding the Fourth Proportional to 5,640.24, 7,783.44 and 3,283.68

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Solution

The fourth proportional to 5,640.24, 7,783.44 and 3,283.68 is: 4,531.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,640.24 : 7,783.44 = 3,283.68 : x
  2. Step 2: Convert to fraction form
    5,640.24/7,783.44 = 3,283.68/x
  3. Step 3: Cross multiply
    5,640.24x = 7,783.44 × 3,283.68
  4. Step 4: Simplify right side
    5,640.24x = 25,558,326.26
  5. Step 5: Solve for x
    x = 25,558,326.26/5,640.24
  6. Step 6: Final answer
    x = 4,531.43

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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.