Home / 6,855.22-10,287.08-3,157.98

Finding the Fourth Proportional to 6,855.22, 10,287.08 and 3,157.98

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Solution

The fourth proportional to 6,855.22, 10,287.08 and 3,157.98 is: 4,738.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,855.22 : 10,287.08 = 3,157.98 : x
  2. Step 2: Convert to fraction form
    6,855.22/10,287.08 = 3,157.98/x
  3. Step 3: Cross multiply
    6,855.22x = 10,287.08 × 3,157.98
  4. Step 4: Simplify right side
    6,855.22x = 32,486,392.90
  5. Step 5: Solve for x
    x = 32,486,392.90/6,855.22
  6. Step 6: Final answer
    x = 4,738.93

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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.