Home / 4,169.89-6,255.12-1,396.45

Finding the Fourth Proportional to 4,169.89, 6,255.12 and 1,396.45

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Solution

The fourth proportional to 4,169.89, 6,255.12 and 1,396.45 is: 2,094.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,169.89 : 6,255.12 = 1,396.45 : x
  2. Step 2: Convert to fraction form
    4,169.89/6,255.12 = 1,396.45/x
  3. Step 3: Cross multiply
    4,169.89x = 6,255.12 × 1,396.45
  4. Step 4: Simplify right side
    4,169.89x = 8,734,962.32
  5. Step 5: Solve for x
    x = 8,734,962.32/4,169.89
  6. Step 6: Final answer
    x = 2,094.77

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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.