Home / 4,380.45-6,045.12-2,391.09

Finding the Fourth Proportional to 4,380.45, 6,045.12 and 2,391.09

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Solution

The fourth proportional to 4,380.45, 6,045.12 and 2,391.09 is: 3,299.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.45 : 6,045.12 = 2,391.09 : x
  2. Step 2: Convert to fraction form
    4,380.45/6,045.12 = 2,391.09/x
  3. Step 3: Cross multiply
    4,380.45x = 6,045.12 × 2,391.09
  4. Step 4: Simplify right side
    4,380.45x = 14,454,425.98
  5. Step 5: Solve for x
    x = 14,454,425.98/4,380.45
  6. Step 6: Final answer
    x = 3,299.76

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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.