Home / 4,936.85-7,406.34-1,605.12

Finding the Fourth Proportional to 4,936.85, 7,406.34 and 1,605.12

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Solution

The fourth proportional to 4,936.85, 7,406.34 and 1,605.12 is: 2,408.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,936.85 : 7,406.34 = 1,605.12 : x
  2. Step 2: Convert to fraction form
    4,936.85/7,406.34 = 1,605.12/x
  3. Step 3: Cross multiply
    4,936.85x = 7,406.34 × 1,605.12
  4. Step 4: Simplify right side
    4,936.85x = 11,888,030.67
  5. Step 5: Solve for x
    x = 11,888,030.67/4,936.85
  6. Step 6: Final answer
    x = 2,408.02

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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.