Home / 8,061.20-12,095.40-3,676.40

Finding the Fourth Proportional to 8,061.20, 12,095.40 and 3,676.40

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Solution

The fourth proportional to 8,061.20, 12,095.40 and 3,676.40 is: 5,516.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,061.20 : 12,095.40 = 3,676.40 : x
  2. Step 2: Convert to fraction form
    8,061.20/12,095.40 = 3,676.40/x
  3. Step 3: Cross multiply
    8,061.20x = 12,095.40 × 3,676.40
  4. Step 4: Simplify right side
    8,061.20x = 44,467,528.56
  5. Step 5: Solve for x
    x = 44,467,528.56/8,061.20
  6. Step 6: Final answer
    x = 5,516.24

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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.