Home / 4,099.12-6,152.99-1,909.96

Finding the Fourth Proportional to 4,099.12, 6,152.99 and 1,909.96

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Solution

The fourth proportional to 4,099.12, 6,152.99 and 1,909.96 is: 2,866.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,099.12 : 6,152.99 = 1,909.96 : x
  2. Step 2: Convert to fraction form
    4,099.12/6,152.99 = 1,909.96/x
  3. Step 3: Cross multiply
    4,099.12x = 6,152.99 × 1,909.96
  4. Step 4: Simplify right side
    4,099.12x = 11,751,938.79
  5. Step 5: Solve for x
    x = 11,751,938.79/4,099.12
  6. Step 6: Final answer
    x = 2,866.95

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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.