Home / 4,920.40-7,379.79-1,633.83

Finding the Fourth Proportional to 4,920.40, 7,379.79 and 1,633.83

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Solution

The fourth proportional to 4,920.40, 7,379.79 and 1,633.83 is: 2,450.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.40 : 7,379.79 = 1,633.83 : x
  2. Step 2: Convert to fraction form
    4,920.40/7,379.79 = 1,633.83/x
  3. Step 3: Cross multiply
    4,920.40x = 7,379.79 × 1,633.83
  4. Step 4: Simplify right side
    4,920.40x = 12,057,322.30
  5. Step 5: Solve for x
    x = 12,057,322.30/4,920.40
  6. Step 6: Final answer
    x = 2,450.48

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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.