Home / 4,200.73-6,300.83-1,860.05

Finding the Fourth Proportional to 4,200.73, 6,300.83 and 1,860.05

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Solution

The fourth proportional to 4,200.73, 6,300.83 and 1,860.05 is: 2,789.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.73 : 6,300.83 = 1,860.05 : x
  2. Step 2: Convert to fraction form
    4,200.73/6,300.83 = 1,860.05/x
  3. Step 3: Cross multiply
    4,200.73x = 6,300.83 × 1,860.05
  4. Step 4: Simplify right side
    4,200.73x = 11,719,847.74
  5. Step 5: Solve for x
    x = 11,719,847.74/4,200.73
  6. Step 6: Final answer
    x = 2,789.96

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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.