Home / 6,873.90-10,311.86-2,490.33

Finding the Fourth Proportional to 6,873.90, 10,311.86 and 2,490.33

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Solution

The fourth proportional to 6,873.90, 10,311.86 and 2,490.33 is: 3,735.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,873.90 : 10,311.86 = 2,490.33 : x
  2. Step 2: Convert to fraction form
    6,873.90/10,311.86 = 2,490.33/x
  3. Step 3: Cross multiply
    6,873.90x = 10,311.86 × 2,490.33
  4. Step 4: Simplify right side
    6,873.90x = 25,679,921.86
  5. Step 5: Solve for x
    x = 25,679,921.86/6,873.90
  6. Step 6: Final answer
    x = 3,735.86

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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.