Home / 4,192.70-6,289.37-1,271.24

Finding the Fourth Proportional to 4,192.70, 6,289.37 and 1,271.24

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Solution

The fourth proportional to 4,192.70, 6,289.37 and 1,271.24 is: 1,906.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.70 : 6,289.37 = 1,271.24 : x
  2. Step 2: Convert to fraction form
    4,192.70/6,289.37 = 1,271.24/x
  3. Step 3: Cross multiply
    4,192.70x = 6,289.37 × 1,271.24
  4. Step 4: Simplify right side
    4,192.70x = 7,995,298.72
  5. Step 5: Solve for x
    x = 7,995,298.72/4,192.70
  6. Step 6: Final answer
    x = 1,906.96

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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.