Home / 8,582.84-12,876.42-2,739.45

Finding the Fourth Proportional to 8,582.84, 12,876.42 and 2,739.45

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Solution

The fourth proportional to 8,582.84, 12,876.42 and 2,739.45 is: 4,109.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,582.84 : 12,876.42 = 2,739.45 : x
  2. Step 2: Convert to fraction form
    8,582.84/12,876.42 = 2,739.45/x
  3. Step 3: Cross multiply
    8,582.84x = 12,876.42 × 2,739.45
  4. Step 4: Simplify right side
    8,582.84x = 35,274,243.27
  5. Step 5: Solve for x
    x = 35,274,243.27/8,582.84
  6. Step 6: Final answer
    x = 4,109.86

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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.