Home / 8,245.14-11,379.64-6,134.69

Finding the Fourth Proportional to 8,245.14, 11,379.64 and 6,134.69

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Solution

The fourth proportional to 8,245.14, 11,379.64 and 6,134.69 is: 8,466.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.14 : 11,379.64 = 6,134.69 : x
  2. Step 2: Convert to fraction form
    8,245.14/11,379.64 = 6,134.69/x
  3. Step 3: Cross multiply
    8,245.14x = 11,379.64 × 6,134.69
  4. Step 4: Simplify right side
    8,245.14x = 69,810,506.81
  5. Step 5: Solve for x
    x = 69,810,506.81/8,245.14
  6. Step 6: Final answer
    x = 8,466.87

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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.