Home / 4,193.60-6,288.54-1,271.36

Finding the Fourth Proportional to 4,193.60, 6,288.54 and 1,271.36

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Solution

The fourth proportional to 4,193.60, 6,288.54 and 1,271.36 is: 1,906.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,193.60 : 6,288.54 = 1,271.36 : x
  2. Step 2: Convert to fraction form
    4,193.60/6,288.54 = 1,271.36/x
  3. Step 3: Cross multiply
    4,193.60x = 6,288.54 × 1,271.36
  4. Step 4: Simplify right side
    4,193.60x = 7,994,998.21
  5. Step 5: Solve for x
    x = 7,994,998.21/4,193.60
  6. Step 6: Final answer
    x = 1,906.48

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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.