Home / 5,181.67-7,770.88-2,257.03

Finding the Fourth Proportional to 5,181.67, 7,770.88 and 2,257.03

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Solution

The fourth proportional to 5,181.67, 7,770.88 and 2,257.03 is: 3,384.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.67 : 7,770.88 = 2,257.03 : x
  2. Step 2: Convert to fraction form
    5,181.67/7,770.88 = 2,257.03/x
  3. Step 3: Cross multiply
    5,181.67x = 7,770.88 × 2,257.03
  4. Step 4: Simplify right side
    5,181.67x = 17,539,109.29
  5. Step 5: Solve for x
    x = 17,539,109.29/5,181.67
  6. Step 6: Final answer
    x = 3,384.84

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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.