Home / 5,080.10-7,012.42-3,824.79

Finding the Fourth Proportional to 5,080.10, 7,012.42 and 3,824.79

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Solution

The fourth proportional to 5,080.10, 7,012.42 and 3,824.79 is: 5,279.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.10 : 7,012.42 = 3,824.79 : x
  2. Step 2: Convert to fraction form
    5,080.10/7,012.42 = 3,824.79/x
  3. Step 3: Cross multiply
    5,080.10x = 7,012.42 × 3,824.79
  4. Step 4: Simplify right side
    5,080.10x = 26,821,054.51
  5. Step 5: Solve for x
    x = 26,821,054.51/5,080.10
  6. Step 6: Final answer
    x = 5,279.63

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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.