Home / 4,369.90-6,556.30-1,408.80

Finding the Fourth Proportional to 4,369.90, 6,556.30 and 1,408.80

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Solution

The fourth proportional to 4,369.90, 6,556.30 and 1,408.80 is: 2,113.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,369.90 : 6,556.30 = 1,408.80 : x
  2. Step 2: Convert to fraction form
    4,369.90/6,556.30 = 1,408.80/x
  3. Step 3: Cross multiply
    4,369.90x = 6,556.30 × 1,408.80
  4. Step 4: Simplify right side
    4,369.90x = 9,236,515.44
  5. Step 5: Solve for x
    x = 9,236,515.44/4,369.90
  6. Step 6: Final answer
    x = 2,113.67

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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.