Home / 6,408.08-9,619.32-4,964.64

Finding the Fourth Proportional to 6,408.08, 9,619.32 and 4,964.64

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Solution

The fourth proportional to 6,408.08, 9,619.32 and 4,964.64 is: 7,452.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408.08 : 9,619.32 = 4,964.64 : x
  2. Step 2: Convert to fraction form
    6,408.08/9,619.32 = 4,964.64/x
  3. Step 3: Cross multiply
    6,408.08x = 9,619.32 × 4,964.64
  4. Step 4: Simplify right side
    6,408.08x = 47,756,460.84
  5. Step 5: Solve for x
    x = 47,756,460.84/6,408.08
  6. Step 6: Final answer
    x = 7,452.54

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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.