Home / 4,739.66-7,109.16-1,965.30

Finding the Fourth Proportional to 4,739.66, 7,109.16 and 1,965.30

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Solution

The fourth proportional to 4,739.66, 7,109.16 and 1,965.30 is: 2,947.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.66 : 7,109.16 = 1,965.30 : x
  2. Step 2: Convert to fraction form
    4,739.66/7,109.16 = 1,965.30/x
  3. Step 3: Cross multiply
    4,739.66x = 7,109.16 × 1,965.30
  4. Step 4: Simplify right side
    4,739.66x = 13,971,632.15
  5. Step 5: Solve for x
    x = 13,971,632.15/4,739.66
  6. Step 6: Final answer
    x = 2,947.81

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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.