Home / 4,745.34-7,120.53-3,181.50

Finding the Fourth Proportional to 4,745.34, 7,120.53 and 3,181.50

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Solution

The fourth proportional to 4,745.34, 7,120.53 and 3,181.50 is: 4,773.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745.34 : 7,120.53 = 3,181.50 : x
  2. Step 2: Convert to fraction form
    4,745.34/7,120.53 = 3,181.50/x
  3. Step 3: Cross multiply
    4,745.34x = 7,120.53 × 3,181.50
  4. Step 4: Simplify right side
    4,745.34x = 22,653,966.20
  5. Step 5: Solve for x
    x = 22,653,966.20/4,745.34
  6. Step 6: Final answer
    x = 4,773.94

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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.