Home / 4,817.20-6,645.18-3,245.80

Finding the Fourth Proportional to 4,817.20, 6,645.18 and 3,245.80

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Solution

The fourth proportional to 4,817.20, 6,645.18 and 3,245.80 is: 4,477.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,817.20 : 6,645.18 = 3,245.80 : x
  2. Step 2: Convert to fraction form
    4,817.20/6,645.18 = 3,245.80/x
  3. Step 3: Cross multiply
    4,817.20x = 6,645.18 × 3,245.80
  4. Step 4: Simplify right side
    4,817.20x = 21,568,925.24
  5. Step 5: Solve for x
    x = 21,568,925.24/4,817.20
  6. Step 6: Final answer
    x = 4,477.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.