Home / 4,990.21-7,468.91-4,443.46

Finding the Fourth Proportional to 4,990.21, 7,468.91 and 4,443.46

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Solution

The fourth proportional to 4,990.21, 7,468.91 and 4,443.46 is: 6,650.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.21 : 7,468.91 = 4,443.46 : x
  2. Step 2: Convert to fraction form
    4,990.21/7,468.91 = 4,443.46/x
  3. Step 3: Cross multiply
    4,990.21x = 7,468.91 × 4,443.46
  4. Step 4: Simplify right side
    4,990.21x = 33,187,778.60
  5. Step 5: Solve for x
    x = 33,187,778.60/4,990.21
  6. Step 6: Final answer
    x = 6,650.58

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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.