Home / 8,001.72-12,002.66-2,455.10

Finding the Fourth Proportional to 8,001.72, 12,002.66 and 2,455.10

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Solution

The fourth proportional to 8,001.72, 12,002.66 and 2,455.10 is: 3,682.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,001.72 : 12,002.66 = 2,455.10 : x
  2. Step 2: Convert to fraction form
    8,001.72/12,002.66 = 2,455.10/x
  3. Step 3: Cross multiply
    8,001.72x = 12,002.66 × 2,455.10
  4. Step 4: Simplify right side
    8,001.72x = 29,467,730.57
  5. Step 5: Solve for x
    x = 29,467,730.57/8,001.72
  6. Step 6: Final answer
    x = 3,682.67

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1.5x scale

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.