Home / 4,130.75-6,190.02-3,255.36

Finding the Fourth Proportional to 4,130.75, 6,190.02 and 3,255.36

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Solution

The fourth proportional to 4,130.75, 6,190.02 and 3,255.36 is: 4,878.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130.75 : 6,190.02 = 3,255.36 : x
  2. Step 2: Convert to fraction form
    4,130.75/6,190.02 = 3,255.36/x
  3. Step 3: Cross multiply
    4,130.75x = 6,190.02 × 3,255.36
  4. Step 4: Simplify right side
    4,130.75x = 20,150,743.51
  5. Step 5: Solve for x
    x = 20,150,743.51/4,130.75
  6. Step 6: Final answer
    x = 4,878.23

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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.