Home / 5,110.22-7,680.62-4,238.46

Finding the Fourth Proportional to 5,110.22, 7,680.62 and 4,238.46

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Solution

The fourth proportional to 5,110.22, 7,680.62 and 4,238.46 is: 6,370.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.22 : 7,680.62 = 4,238.46 : x
  2. Step 2: Convert to fraction form
    5,110.22/7,680.62 = 4,238.46/x
  3. Step 3: Cross multiply
    5,110.22x = 7,680.62 × 4,238.46
  4. Step 4: Simplify right side
    5,110.22x = 32,554,000.65
  5. Step 5: Solve for x
    x = 32,554,000.65/5,110.22
  6. Step 6: Final answer
    x = 6,370.37

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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.