Home / 7,274.43-10,040.36-4,290.75

Finding the Fourth Proportional to 7,274.43, 10,040.36 and 4,290.75

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Solution

The fourth proportional to 7,274.43, 10,040.36 and 4,290.75 is: 5,922.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274.43 : 10,040.36 = 4,290.75 : x
  2. Step 2: Convert to fraction form
    7,274.43/10,040.36 = 4,290.75/x
  3. Step 3: Cross multiply
    7,274.43x = 10,040.36 × 4,290.75
  4. Step 4: Simplify right side
    7,274.43x = 43,080,653.22
  5. Step 5: Solve for x
    x = 43,080,653.22/7,274.43
  6. Step 6: Final answer
    x = 5,922.20

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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.