Home / 8,089.45-12,135.90-4,581.10

Finding the Fourth Proportional to 8,089.45, 12,135.90 and 4,581.10

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Solution

The fourth proportional to 8,089.45, 12,135.90 and 4,581.10 is: 6,872.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,089.45 : 12,135.90 = 4,581.10 : x
  2. Step 2: Convert to fraction form
    8,089.45/12,135.90 = 4,581.10/x
  3. Step 3: Cross multiply
    8,089.45x = 12,135.90 × 4,581.10
  4. Step 4: Simplify right side
    8,089.45x = 55,595,771.49
  5. Step 5: Solve for x
    x = 55,595,771.49/8,089.45
  6. Step 6: Final answer
    x = 6,872.63

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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.