Home / 8,468.81-12,704.45-2,625.89

Finding the Fourth Proportional to 8,468.81, 12,704.45 and 2,625.89

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Solution

The fourth proportional to 8,468.81, 12,704.45 and 2,625.89 is: 3,939.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.81 : 12,704.45 = 2,625.89 : x
  2. Step 2: Convert to fraction form
    8,468.81/12,704.45 = 2,625.89/x
  3. Step 3: Cross multiply
    8,468.81x = 12,704.45 × 2,625.89
  4. Step 4: Simplify right side
    8,468.81x = 33,360,475.08
  5. Step 5: Solve for x
    x = 33,360,475.08/8,468.81
  6. Step 6: Final answer
    x = 3,939.22

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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.