Home / 4,738.98-7,109.31-1,965.87

Finding the Fourth Proportional to 4,738.98, 7,109.31 and 1,965.87

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Solution

The fourth proportional to 4,738.98, 7,109.31 and 1,965.87 is: 2,949.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738.98 : 7,109.31 = 1,965.87 : x
  2. Step 2: Convert to fraction form
    4,738.98/7,109.31 = 1,965.87/x
  3. Step 3: Cross multiply
    4,738.98x = 7,109.31 × 1,965.87
  4. Step 4: Simplify right side
    4,738.98x = 13,975,979.25
  5. Step 5: Solve for x
    x = 13,975,979.25/4,738.98
  6. Step 6: Final answer
    x = 2,949.15

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1.5x scale

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.