Home / 4,192.22-6,289.36-1,270.36

Finding the Fourth Proportional to 4,192.22, 6,289.36 and 1,270.36

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Solution

The fourth proportional to 4,192.22, 6,289.36 and 1,270.36 is: 1,905.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.22 : 6,289.36 = 1,270.36 : x
  2. Step 2: Convert to fraction form
    4,192.22/6,289.36 = 1,270.36/x
  3. Step 3: Cross multiply
    4,192.22x = 6,289.36 × 1,270.36
  4. Step 4: Simplify right side
    4,192.22x = 7,989,751.37
  5. Step 5: Solve for x
    x = 7,989,751.37/4,192.22
  6. Step 6: Final answer
    x = 1,905.85

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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.