Home / 4,310.60-6,465.60-1,190.78

Finding the Fourth Proportional to 4,310.60, 6,465.60 and 1,190.78

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Solution

The fourth proportional to 4,310.60, 6,465.60 and 1,190.78 is: 1,786.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,310.60 : 6,465.60 = 1,190.78 : x
  2. Step 2: Convert to fraction form
    4,310.60/6,465.60 = 1,190.78/x
  3. Step 3: Cross multiply
    4,310.60x = 6,465.60 × 1,190.78
  4. Step 4: Simplify right side
    4,310.60x = 7,699,107.17
  5. Step 5: Solve for x
    x = 7,699,107.17/4,310.60
  6. Step 6: Final answer
    x = 1,786.09

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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.