Home / 4,193.19-6,289.77-1,271.49

Finding the Fourth Proportional to 4,193.19, 6,289.77 and 1,271.49

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Solution

The fourth proportional to 4,193.19, 6,289.77 and 1,271.49 is: 1,907.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,193.19 : 6,289.77 = 1,271.49 : x
  2. Step 2: Convert to fraction form
    4,193.19/6,289.77 = 1,271.49/x
  3. Step 3: Cross multiply
    4,193.19x = 6,289.77 × 1,271.49
  4. Step 4: Simplify right side
    4,193.19x = 7,997,379.66
  5. Step 5: Solve for x
    x = 7,997,379.66/4,193.19
  6. Step 6: Final answer
    x = 1,907.23

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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.