Home / 7,846.21-11,769.18-3,166.12

Finding the Fourth Proportional to 7,846.21, 11,769.18 and 3,166.12

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Solution

The fourth proportional to 7,846.21, 11,769.18 and 3,166.12 is: 4,749.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,846.21 : 11,769.18 = 3,166.12 : x
  2. Step 2: Convert to fraction form
    7,846.21/11,769.18 = 3,166.12/x
  3. Step 3: Cross multiply
    7,846.21x = 11,769.18 × 3,166.12
  4. Step 4: Simplify right side
    7,846.21x = 37,262,636.18
  5. Step 5: Solve for x
    x = 37,262,636.18/7,846.21
  6. Step 6: Final answer
    x = 4,749.13

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Similar ratio
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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.