Home / 9,181.89-13,765.16-4,255.07

Finding the Fourth Proportional to 9,181.89, 13,765.16 and 4,255.07

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Solution

The fourth proportional to 9,181.89, 13,765.16 and 4,255.07 is: 6,379.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181.89 : 13,765.16 = 4,255.07 : x
  2. Step 2: Convert to fraction form
    9,181.89/13,765.16 = 4,255.07/x
  3. Step 3: Cross multiply
    9,181.89x = 13,765.16 × 4,255.07
  4. Step 4: Simplify right side
    9,181.89x = 58,571,629.26
  5. Step 5: Solve for x
    x = 58,571,629.26/9,181.89
  6. Step 6: Final answer
    x = 6,379.04

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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.