Home / 8,122.47-12,186.44-3,736.63

Finding the Fourth Proportional to 8,122.47, 12,186.44 and 3,736.63

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Solution

The fourth proportional to 8,122.47, 12,186.44 and 3,736.63 is: 5,606.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122.47 : 12,186.44 = 3,736.63 : x
  2. Step 2: Convert to fraction form
    8,122.47/12,186.44 = 3,736.63/x
  3. Step 3: Cross multiply
    8,122.47x = 12,186.44 × 3,736.63
  4. Step 4: Simplify right side
    8,122.47x = 45,536,156.37
  5. Step 5: Solve for x
    x = 45,536,156.37/8,122.47
  6. Step 6: Final answer
    x = 5,606.20

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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.