Home / 6,120.64-9,181.44-2,658.16

Finding the Fourth Proportional to 6,120.64, 9,181.44 and 2,658.16

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Solution

The fourth proportional to 6,120.64, 9,181.44 and 2,658.16 is: 3,987.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.64 : 9,181.44 = 2,658.16 : x
  2. Step 2: Convert to fraction form
    6,120.64/9,181.44 = 2,658.16/x
  3. Step 3: Cross multiply
    6,120.64x = 9,181.44 × 2,658.16
  4. Step 4: Simplify right side
    6,120.64x = 24,405,736.55
  5. Step 5: Solve for x
    x = 24,405,736.55/6,120.64
  6. Step 6: Final answer
    x = 3,987.45

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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.