Home / 6,764.37-10,143.87-2,812.98

Finding the Fourth Proportional to 6,764.37, 10,143.87 and 2,812.98

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Solution

The fourth proportional to 6,764.37, 10,143.87 and 2,812.98 is: 4,218.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,764.37 : 10,143.87 = 2,812.98 : x
  2. Step 2: Convert to fraction form
    6,764.37/10,143.87 = 2,812.98/x
  3. Step 3: Cross multiply
    6,764.37x = 10,143.87 × 2,812.98
  4. Step 4: Simplify right side
    6,764.37x = 28,534,503.43
  5. Step 5: Solve for x
    x = 28,534,503.43/6,764.37
  6. Step 6: Final answer
    x = 4,218.35

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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.