Home / 5,081.64-7,012.94-2,843.51

Finding the Fourth Proportional to 5,081.64, 7,012.94 and 2,843.51

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Solution

The fourth proportional to 5,081.64, 7,012.94 and 2,843.51 is: 3,924.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.64 : 7,012.94 = 2,843.51 : x
  2. Step 2: Convert to fraction form
    5,081.64/7,012.94 = 2,843.51/x
  3. Step 3: Cross multiply
    5,081.64x = 7,012.94 × 2,843.51
  4. Step 4: Simplify right side
    5,081.64x = 19,941,315.74
  5. Step 5: Solve for x
    x = 19,941,315.74/5,081.64
  6. Step 6: Final answer
    x = 3,924.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.