Home / 4,943.85-7,420.41-2,605.59

Finding the Fourth Proportional to 4,943.85, 7,420.41 and 2,605.59

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Solution

The fourth proportional to 4,943.85, 7,420.41 and 2,605.59 is: 3,910.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,943.85 : 7,420.41 = 2,605.59 : x
  2. Step 2: Convert to fraction form
    4,943.85/7,420.41 = 2,605.59/x
  3. Step 3: Cross multiply
    4,943.85x = 7,420.41 × 2,605.59
  4. Step 4: Simplify right side
    4,943.85x = 19,334,546.09
  5. Step 5: Solve for x
    x = 19,334,546.09/4,943.85
  6. Step 6: Final answer
    x = 3,910.83

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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.