Home / 6,181.40-9,255.90-4,874.60

Finding the Fourth Proportional to 6,181.40, 9,255.90 and 4,874.60

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Solution

The fourth proportional to 6,181.40, 9,255.90 and 4,874.60 is: 7,299.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,181.40 : 9,255.90 = 4,874.60 : x
  2. Step 2: Convert to fraction form
    6,181.40/9,255.90 = 4,874.60/x
  3. Step 3: Cross multiply
    6,181.40x = 9,255.90 × 4,874.60
  4. Step 4: Simplify right side
    6,181.40x = 45,118,810.14
  5. Step 5: Solve for x
    x = 45,118,810.14/6,181.40
  6. Step 6: Final answer
    x = 7,299.12

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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.