Home / 7,973.80-11,956.20-3,043.60

Finding the Fourth Proportional to 7,973.80, 11,956.20 and 3,043.60

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Solution

The fourth proportional to 7,973.80, 11,956.20 and 3,043.60 is: 4,563.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,973.80 : 11,956.20 = 3,043.60 : x
  2. Step 2: Convert to fraction form
    7,973.80/11,956.20 = 3,043.60/x
  3. Step 3: Cross multiply
    7,973.80x = 11,956.20 × 3,043.60
  4. Step 4: Simplify right side
    7,973.80x = 36,389,890.32
  5. Step 5: Solve for x
    x = 36,389,890.32/7,973.80
  6. Step 6: Final answer
    x = 4,563.68

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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.