Home / 5,635.80-8,450.04-2,515.68

Finding the Fourth Proportional to 5,635.80, 8,450.04 and 2,515.68

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Solution

The fourth proportional to 5,635.80, 8,450.04 and 2,515.68 is: 3,771.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.80 : 8,450.04 = 2,515.68 : x
  2. Step 2: Convert to fraction form
    5,635.80/8,450.04 = 2,515.68/x
  3. Step 3: Cross multiply
    5,635.80x = 8,450.04 × 2,515.68
  4. Step 4: Simplify right side
    5,635.80x = 21,257,596.63
  5. Step 5: Solve for x
    x = 21,257,596.63/5,635.80
  6. Step 6: Final answer
    x = 3,771.89

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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.