Home / 5,640.60-7,783.36-3,283.16

Finding the Fourth Proportional to 5,640.60, 7,783.36 and 3,283.16

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Solution

The fourth proportional to 5,640.60, 7,783.36 and 3,283.16 is: 4,530.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,640.60 : 7,783.36 = 3,283.16 : x
  2. Step 2: Convert to fraction form
    5,640.60/7,783.36 = 3,283.16/x
  3. Step 3: Cross multiply
    5,640.60x = 7,783.36 × 3,283.16
  4. Step 4: Simplify right side
    5,640.60x = 25,554,016.22
  5. Step 5: Solve for x
    x = 25,554,016.22/5,640.60
  6. Step 6: Final answer
    x = 4,530.37

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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.