Home / 4,980.42-7,469.96-1,282.68

Finding the Fourth Proportional to 4,980.42, 7,469.96 and 1,282.68

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Solution

The fourth proportional to 4,980.42, 7,469.96 and 1,282.68 is: 1,923.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.42 : 7,469.96 = 1,282.68 : x
  2. Step 2: Convert to fraction form
    4,980.42/7,469.96 = 1,282.68/x
  3. Step 3: Cross multiply
    4,980.42x = 7,469.96 × 1,282.68
  4. Step 4: Simplify right side
    4,980.42x = 9,581,561.88
  5. Step 5: Solve for x
    x = 9,581,561.88/4,980.42
  6. Step 6: Final answer
    x = 1,923.85

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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.