Home / 8,625.91-12,941.60-3,079.14

Finding the Fourth Proportional to 8,625.91, 12,941.60 and 3,079.14

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Solution

The fourth proportional to 8,625.91, 12,941.60 and 3,079.14 is: 4,619.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625.91 : 12,941.60 = 3,079.14 : x
  2. Step 2: Convert to fraction form
    8,625.91/12,941.60 = 3,079.14/x
  3. Step 3: Cross multiply
    8,625.91x = 12,941.60 × 3,079.14
  4. Step 4: Simplify right side
    8,625.91x = 39,848,933.52
  5. Step 5: Solve for x
    x = 39,848,933.52/8,625.91
  6. Step 6: Final answer
    x = 4,619.68

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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.