Home / 8,306.72-12,459.99-2,760.47

Finding the Fourth Proportional to 8,306.72, 12,459.99 and 2,760.47

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Solution

The fourth proportional to 8,306.72, 12,459.99 and 2,760.47 is: 4,140.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,306.72 : 12,459.99 = 2,760.47 : x
  2. Step 2: Convert to fraction form
    8,306.72/12,459.99 = 2,760.47/x
  3. Step 3: Cross multiply
    8,306.72x = 12,459.99 × 2,760.47
  4. Step 4: Simplify right side
    8,306.72x = 34,395,366.30
  5. Step 5: Solve for x
    x = 34,395,366.30/8,306.72
  6. Step 6: Final answer
    x = 4,140.67

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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.