Home / 4,739.69-7,110.64-1,619.72

Finding the Fourth Proportional to 4,739.69, 7,110.64 and 1,619.72

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Solution

The fourth proportional to 4,739.69, 7,110.64 and 1,619.72 is: 2,429.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.69 : 7,110.64 = 1,619.72 : x
  2. Step 2: Convert to fraction form
    4,739.69/7,110.64 = 1,619.72/x
  3. Step 3: Cross multiply
    4,739.69x = 7,110.64 × 1,619.72
  4. Step 4: Simplify right side
    4,739.69x = 11,517,238.96
  5. Step 5: Solve for x
    x = 11,517,238.96/4,739.69
  6. Step 6: Final answer
    x = 2,429.96

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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.