Home / 4,891.56-7,338.25-1,605.59

Finding the Fourth Proportional to 4,891.56, 7,338.25 and 1,605.59

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Solution

The fourth proportional to 4,891.56, 7,338.25 and 1,605.59 is: 2,408.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.56 : 7,338.25 = 1,605.59 : x
  2. Step 2: Convert to fraction form
    4,891.56/7,338.25 = 1,605.59/x
  3. Step 3: Cross multiply
    4,891.56x = 7,338.25 × 1,605.59
  4. Step 4: Simplify right side
    4,891.56x = 11,782,194.44
  5. Step 5: Solve for x
    x = 11,782,194.44/4,891.56
  6. Step 6: Final answer
    x = 2,408.68

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1.5x scale

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.