Home / 8,426.14-12,638.73-2,582.75

Finding the Fourth Proportional to 8,426.14, 12,638.73 and 2,582.75

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Solution

The fourth proportional to 8,426.14, 12,638.73 and 2,582.75 is: 3,873.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426.14 : 12,638.73 = 2,582.75 : x
  2. Step 2: Convert to fraction form
    8,426.14/12,638.73 = 2,582.75/x
  3. Step 3: Cross multiply
    8,426.14x = 12,638.73 × 2,582.75
  4. Step 4: Simplify right side
    8,426.14x = 32,642,679.91
  5. Step 5: Solve for x
    x = 32,642,679.91/8,426.14
  6. Step 6: Final answer
    x = 3,873.98

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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.