Home / 4,890.90-7,329.50-2,669.73

Finding the Fourth Proportional to 4,890.90, 7,329.50 and 2,669.73

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Solution

The fourth proportional to 4,890.90, 7,329.50 and 2,669.73 is: 4,000.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.90 : 7,329.50 = 2,669.73 : x
  2. Step 2: Convert to fraction form
    4,890.90/7,329.50 = 2,669.73/x
  3. Step 3: Cross multiply
    4,890.90x = 7,329.50 × 2,669.73
  4. Step 4: Simplify right side
    4,890.90x = 19,567,786.04
  5. Step 5: Solve for x
    x = 19,567,786.04/4,890.90
  6. Step 6: Final answer
    x = 4,000.86

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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.