Home / 5,081.82-7,012.21-2,957.19

Finding the Fourth Proportional to 5,081.82, 7,012.21 and 2,957.19

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Solution

The fourth proportional to 5,081.82, 7,012.21 and 2,957.19 is: 4,080.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.82 : 7,012.21 = 2,957.19 : x
  2. Step 2: Convert to fraction form
    5,081.82/7,012.21 = 2,957.19/x
  3. Step 3: Cross multiply
    5,081.82x = 7,012.21 × 2,957.19
  4. Step 4: Simplify right side
    5,081.82x = 20,736,437.29
  5. Step 5: Solve for x
    x = 20,736,437.29/5,081.82
  6. Step 6: Final answer
    x = 4,080.51

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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.