Home / 4,408.61-6,613.97-1,288.67

Finding the Fourth Proportional to 4,408.61, 6,613.97 and 1,288.67

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Solution

The fourth proportional to 4,408.61, 6,613.97 and 1,288.67 is: 1,933.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,408.61 : 6,613.97 = 1,288.67 : x
  2. Step 2: Convert to fraction form
    4,408.61/6,613.97 = 1,288.67/x
  3. Step 3: Cross multiply
    4,408.61x = 6,613.97 × 1,288.67
  4. Step 4: Simplify right side
    4,408.61x = 8,523,185.21
  5. Step 5: Solve for x
    x = 8,523,185.21/4,408.61
  6. Step 6: Final answer
    x = 1,933.31

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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.