Home / 6,923.31-10,389.30-2,762.70

Finding the Fourth Proportional to 6,923.31, 10,389.30 and 2,762.70

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Solution

The fourth proportional to 6,923.31, 10,389.30 and 2,762.70 is: 4,145.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,923.31 : 10,389.30 = 2,762.70 : x
  2. Step 2: Convert to fraction form
    6,923.31/10,389.30 = 2,762.70/x
  3. Step 3: Cross multiply
    6,923.31x = 10,389.30 × 2,762.70
  4. Step 4: Simplify right side
    6,923.31x = 28,702,519.11
  5. Step 5: Solve for x
    x = 28,702,519.11/6,923.31
  6. Step 6: Final answer
    x = 4,145.78

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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.