Home / 4,193.21-6,289.82-1,271.52

Finding the Fourth Proportional to 4,193.21, 6,289.82 and 1,271.52

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Solution

The fourth proportional to 4,193.21, 6,289.82 and 1,271.52 is: 1,907.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,193.21 : 6,289.82 = 1,271.52 : x
  2. Step 2: Convert to fraction form
    4,193.21/6,289.82 = 1,271.52/x
  3. Step 3: Cross multiply
    4,193.21x = 6,289.82 × 1,271.52
  4. Step 4: Simplify right side
    4,193.21x = 7,997,625.57
  5. Step 5: Solve for x
    x = 7,997,625.57/4,193.21
  6. Step 6: Final answer
    x = 1,907.28

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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.