Home / 4,891.89-7,338.45-1,605.32

Finding the Fourth Proportional to 4,891.89, 7,338.45 and 1,605.32

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Solution

The fourth proportional to 4,891.89, 7,338.45 and 1,605.32 is: 2,408.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.89 : 7,338.45 = 1,605.32 : x
  2. Step 2: Convert to fraction form
    4,891.89/7,338.45 = 1,605.32/x
  3. Step 3: Cross multiply
    4,891.89x = 7,338.45 × 1,605.32
  4. Step 4: Simplify right side
    4,891.89x = 11,780,523.86
  5. Step 5: Solve for x
    x = 11,780,523.86/4,891.89
  6. Step 6: Final answer
    x = 2,408.17

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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.