Home / 4,783.45-7,175.62-1,861.98

Finding the Fourth Proportional to 4,783.45, 7,175.62 and 1,861.98

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Solution

The fourth proportional to 4,783.45, 7,175.62 and 1,861.98 is: 2,793.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,783.45 : 7,175.62 = 1,861.98 : x
  2. Step 2: Convert to fraction form
    4,783.45/7,175.62 = 1,861.98/x
  3. Step 3: Cross multiply
    4,783.45x = 7,175.62 × 1,861.98
  4. Step 4: Simplify right side
    4,783.45x = 13,360,860.93
  5. Step 5: Solve for x
    x = 13,360,860.93/4,783.45
  6. Step 6: Final answer
    x = 2,793.14

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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.