Home / 7,982.52-11,973.78-3,597.60

Finding the Fourth Proportional to 7,982.52, 11,973.78 and 3,597.60

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Solution

The fourth proportional to 7,982.52, 11,973.78 and 3,597.60 is: 5,396.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.52 : 11,973.78 = 3,597.60 : x
  2. Step 2: Convert to fraction form
    7,982.52/11,973.78 = 3,597.60/x
  3. Step 3: Cross multiply
    7,982.52x = 11,973.78 × 3,597.60
  4. Step 4: Simplify right side
    7,982.52x = 43,076,870.93
  5. Step 5: Solve for x
    x = 43,076,870.93/7,982.52
  6. Step 6: Final answer
    x = 5,396.40

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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.