Home / 6,081.20-9,132.60-4,439.60

Finding the Fourth Proportional to 6,081.20, 9,132.60 and 4,439.60

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Solution

The fourth proportional to 6,081.20, 9,132.60 and 4,439.60 is: 6,667.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,081.20 : 9,132.60 = 4,439.60 : x
  2. Step 2: Convert to fraction form
    6,081.20/9,132.60 = 4,439.60/x
  3. Step 3: Cross multiply
    6,081.20x = 9,132.60 × 4,439.60
  4. Step 4: Simplify right side
    6,081.20x = 40,545,090.96
  5. Step 5: Solve for x
    x = 40,545,090.96/6,081.20
  6. Step 6: Final answer
    x = 6,667.28

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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.