Home / 4,627.45-6,942.39-1,705.78

Finding the Fourth Proportional to 4,627.45, 6,942.39 and 1,705.78

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Solution

The fourth proportional to 4,627.45, 6,942.39 and 1,705.78 is: 2,559.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,627.45 : 6,942.39 = 1,705.78 : x
  2. Step 2: Convert to fraction form
    4,627.45/6,942.39 = 1,705.78/x
  3. Step 3: Cross multiply
    4,627.45x = 6,942.39 × 1,705.78
  4. Step 4: Simplify right side
    4,627.45x = 11,842,190.01
  5. Step 5: Solve for x
    x = 11,842,190.01/4,627.45
  6. Step 6: Final answer
    x = 2,559.12

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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.