Home / 6,265.20-9,408.60-4,429.20

Finding the Fourth Proportional to 6,265.20, 9,408.60 and 4,429.20

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Solution

The fourth proportional to 6,265.20, 9,408.60 and 4,429.20 is: 6,651.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,265.20 : 9,408.60 = 4,429.20 : x
  2. Step 2: Convert to fraction form
    6,265.20/9,408.60 = 4,429.20/x
  3. Step 3: Cross multiply
    6,265.20x = 9,408.60 × 4,429.20
  4. Step 4: Simplify right side
    6,265.20x = 41,672,571.12
  5. Step 5: Solve for x
    x = 41,672,571.12/6,265.20
  6. Step 6: Final answer
    x = 6,651.44

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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.