Home / 4,069.80-6,099.86-1,960.10

Finding the Fourth Proportional to 4,069.80, 6,099.86 and 1,960.10

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Solution

The fourth proportional to 4,069.80, 6,099.86 and 1,960.10 is: 2,937.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,069.80 : 6,099.86 = 1,960.10 : x
  2. Step 2: Convert to fraction form
    4,069.80/6,099.86 = 1,960.10/x
  3. Step 3: Cross multiply
    4,069.80x = 6,099.86 × 1,960.10
  4. Step 4: Simplify right side
    4,069.80x = 11,956,335.59
  5. Step 5: Solve for x
    x = 11,956,335.59/4,069.80
  6. Step 6: Final answer
    x = 2,937.82

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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.