Home / 8,582.70-12,873.24-2,739.36

Finding the Fourth Proportional to 8,582.70, 12,873.24 and 2,739.36

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Solution

The fourth proportional to 8,582.70, 12,873.24 and 2,739.36 is: 4,108.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,582.70 : 12,873.24 = 2,739.36 : x
  2. Step 2: Convert to fraction form
    8,582.70/12,873.24 = 2,739.36/x
  3. Step 3: Cross multiply
    8,582.70x = 12,873.24 × 2,739.36
  4. Step 4: Simplify right side
    8,582.70x = 35,264,438.73
  5. Step 5: Solve for x
    x = 35,264,438.73/8,582.70
  6. Step 6: Final answer
    x = 4,108.78

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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.