Home / 8,582.56-12,873.64-2,739.08

Finding the Fourth Proportional to 8,582.56, 12,873.64 and 2,739.08

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Solution

The fourth proportional to 8,582.56, 12,873.64 and 2,739.08 is: 4,108.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,582.56 : 12,873.64 = 2,739.08 : x
  2. Step 2: Convert to fraction form
    8,582.56/12,873.64 = 2,739.08/x
  3. Step 3: Cross multiply
    8,582.56x = 12,873.64 × 2,739.08
  4. Step 4: Simplify right side
    8,582.56x = 35,261,929.85
  5. Step 5: Solve for x
    x = 35,261,929.85/8,582.56
  6. Step 6: Final answer
    x = 4,108.56

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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.