Home / 4,172.12-6,255.53-2,091.56

Finding the Fourth Proportional to 4,172.12, 6,255.53 and 2,091.56

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Solution

The fourth proportional to 4,172.12, 6,255.53 and 2,091.56 is: 3,136.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.12 : 6,255.53 = 2,091.56 : x
  2. Step 2: Convert to fraction form
    4,172.12/6,255.53 = 2,091.56/x
  3. Step 3: Cross multiply
    4,172.12x = 6,255.53 × 2,091.56
  4. Step 4: Simplify right side
    4,172.12x = 13,083,774.59
  5. Step 5: Solve for x
    x = 13,083,774.59/4,172.12
  6. Step 6: Final answer
    x = 3,136.01

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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.