Home / 4,170.16-6,255.78-1,395.64

Finding the Fourth Proportional to 4,170.16, 6,255.78 and 1,395.64

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Solution

The fourth proportional to 4,170.16, 6,255.78 and 1,395.64 is: 2,093.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.16 : 6,255.78 = 1,395.64 : x
  2. Step 2: Convert to fraction form
    4,170.16/6,255.78 = 1,395.64/x
  3. Step 3: Cross multiply
    4,170.16x = 6,255.78 × 1,395.64
  4. Step 4: Simplify right side
    4,170.16x = 8,730,816.80
  5. Step 5: Solve for x
    x = 8,730,816.80/4,170.16
  6. Step 6: Final answer
    x = 2,093.64

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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.