Home / 4,379.40-6,560.34-3,340.44

Finding the Fourth Proportional to 4,379.40, 6,560.34 and 3,340.44

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Solution

The fourth proportional to 4,379.40, 6,560.34 and 3,340.44 is: 5,003.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,379.40 : 6,560.34 = 3,340.44 : x
  2. Step 2: Convert to fraction form
    4,379.40/6,560.34 = 3,340.44/x
  3. Step 3: Cross multiply
    4,379.40x = 6,560.34 × 3,340.44
  4. Step 4: Simplify right side
    4,379.40x = 21,914,422.15
  5. Step 5: Solve for x
    x = 21,914,422.15/4,379.40
  6. Step 6: Final answer
    x = 5,003.98

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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.