Home / 6,120.64-9,181.41-1,738.45

Finding the Fourth Proportional to 6,120.64, 9,181.41 and 1,738.45

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Solution

The fourth proportional to 6,120.64, 9,181.41 and 1,738.45 is: 2,607.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.64 : 9,181.41 = 1,738.45 : x
  2. Step 2: Convert to fraction form
    6,120.64/9,181.41 = 1,738.45/x
  3. Step 3: Cross multiply
    6,120.64x = 9,181.41 × 1,738.45
  4. Step 4: Simplify right side
    6,120.64x = 15,961,422.21
  5. Step 5: Solve for x
    x = 15,961,422.21/6,120.64
  6. Step 6: Final answer
    x = 2,607.80

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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.