Home / 4,193.44-6,291.78-1,271.77

Finding the Fourth Proportional to 4,193.44, 6,291.78 and 1,271.77

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Solution

The fourth proportional to 4,193.44, 6,291.78 and 1,271.77 is: 1,908.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,193.44 : 6,291.78 = 1,271.77 : x
  2. Step 2: Convert to fraction form
    4,193.44/6,291.78 = 1,271.77/x
  3. Step 3: Cross multiply
    4,193.44x = 6,291.78 × 1,271.77
  4. Step 4: Simplify right side
    4,193.44x = 8,001,697.05
  5. Step 5: Solve for x
    x = 8,001,697.05/4,193.44
  6. Step 6: Final answer
    x = 1,908.15

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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.