Home / 5,186.22-7,777.44-1,898.34

Finding the Fourth Proportional to 5,186.22, 7,777.44 and 1,898.34

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Solution

The fourth proportional to 5,186.22, 7,777.44 and 1,898.34 is: 2,846.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.22 : 7,777.44 = 1,898.34 : x
  2. Step 2: Convert to fraction form
    5,186.22/7,777.44 = 1,898.34/x
  3. Step 3: Cross multiply
    5,186.22x = 7,777.44 × 1,898.34
  4. Step 4: Simplify right side
    5,186.22x = 14,764,225.45
  5. Step 5: Solve for x
    x = 14,764,225.45/5,186.22
  6. Step 6: Final answer
    x = 2,846.82

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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.