Home / 7,679.30-11,511.46-4,166.13

Finding the Fourth Proportional to 7,679.30, 11,511.46 and 4,166.13

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Solution

The fourth proportional to 7,679.30, 11,511.46 and 4,166.13 is: 6,245.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679.30 : 11,511.46 = 4,166.13 : x
  2. Step 2: Convert to fraction form
    7,679.30/11,511.46 = 4,166.13/x
  3. Step 3: Cross multiply
    7,679.30x = 11,511.46 × 4,166.13
  4. Step 4: Simplify right side
    7,679.30x = 47,958,218.02
  5. Step 5: Solve for x
    x = 47,958,218.02/7,679.30
  6. Step 6: Final answer
    x = 6,245.13

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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.