Home / 4,739.65-7,110.30-1,964.80

Finding the Fourth Proportional to 4,739.65, 7,110.30 and 1,964.80

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Solution

The fourth proportional to 4,739.65, 7,110.30 and 1,964.80 is: 2,947.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.65 : 7,110.30 = 1,964.80 : x
  2. Step 2: Convert to fraction form
    4,739.65/7,110.30 = 1,964.80/x
  3. Step 3: Cross multiply
    4,739.65x = 7,110.30 × 1,964.80
  4. Step 4: Simplify right side
    4,739.65x = 13,970,317.44
  5. Step 5: Solve for x
    x = 13,970,317.44/4,739.65
  6. Step 6: Final answer
    x = 2,947.54

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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.