Home / 8,849.96-12,211.26-5,311.88

Finding the Fourth Proportional to 8,849.96, 12,211.26 and 5,311.88

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Solution

The fourth proportional to 8,849.96, 12,211.26 and 5,311.88 is: 7,329.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,849.96 : 12,211.26 = 5,311.88 : x
  2. Step 2: Convert to fraction form
    8,849.96/12,211.26 = 5,311.88/x
  3. Step 3: Cross multiply
    8,849.96x = 12,211.26 × 5,311.88
  4. Step 4: Simplify right side
    8,849.96x = 64,864,747.77
  5. Step 5: Solve for x
    x = 64,864,747.77/8,849.96
  6. Step 6: Final answer
    x = 7,329.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.