Home / 7,982.63-11,973.20-3,764.91

Finding the Fourth Proportional to 7,982.63, 11,973.20 and 3,764.91

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Solution

The fourth proportional to 7,982.63, 11,973.20 and 3,764.91 is: 5,647.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.63 : 11,973.20 = 3,764.91 : x
  2. Step 2: Convert to fraction form
    7,982.63/11,973.20 = 3,764.91/x
  3. Step 3: Cross multiply
    7,982.63x = 11,973.20 × 3,764.91
  4. Step 4: Simplify right side
    7,982.63x = 45,078,020.41
  5. Step 5: Solve for x
    x = 45,078,020.41/7,982.63
  6. Step 6: Final answer
    x = 5,647.01

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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.