Home / 4,128.16-6,181.66-2,277.21

Finding the Fourth Proportional to 4,128.16, 6,181.66 and 2,277.21

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Solution

The fourth proportional to 4,128.16, 6,181.66 and 2,277.21 is: 3,409.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.16 : 6,181.66 = 2,277.21 : x
  2. Step 2: Convert to fraction form
    4,128.16/6,181.66 = 2,277.21/x
  3. Step 3: Cross multiply
    4,128.16x = 6,181.66 × 2,277.21
  4. Step 4: Simplify right side
    4,128.16x = 14,076,926.58
  5. Step 5: Solve for x
    x = 14,076,926.58/4,128.16
  6. Step 6: Final answer
    x = 3,409.98

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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.