Home / 4,930.97-7,396.25-1,643.81

Finding the Fourth Proportional to 4,930.97, 7,396.25 and 1,643.81

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Solution

The fourth proportional to 4,930.97, 7,396.25 and 1,643.81 is: 2,465.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.97 : 7,396.25 = 1,643.81 : x
  2. Step 2: Convert to fraction form
    4,930.97/7,396.25 = 1,643.81/x
  3. Step 3: Cross multiply
    4,930.97x = 7,396.25 × 1,643.81
  4. Step 4: Simplify right side
    4,930.97x = 12,157,984.51
  5. Step 5: Solve for x
    x = 12,157,984.51/4,930.97
  6. Step 6: Final answer
    x = 2,465.64

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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.