Home / 4,761.26-7,139.22-2,680.34

Finding the Fourth Proportional to 4,761.26, 7,139.22 and 2,680.34

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Solution

The fourth proportional to 4,761.26, 7,139.22 and 2,680.34 is: 4,019.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,761.26 : 7,139.22 = 2,680.34 : x
  2. Step 2: Convert to fraction form
    4,761.26/7,139.22 = 2,680.34/x
  3. Step 3: Cross multiply
    4,761.26x = 7,139.22 × 2,680.34
  4. Step 4: Simplify right side
    4,761.26x = 19,135,536.93
  5. Step 5: Solve for x
    x = 19,135,536.93/4,761.26
  6. Step 6: Final answer
    x = 4,019.01

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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.