Home / 4,800.21-7,201.73-2,902.65

Finding the Fourth Proportional to 4,800.21, 7,201.73 and 2,902.65

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Solution

The fourth proportional to 4,800.21, 7,201.73 and 2,902.65 is: 4,354.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,800.21 : 7,201.73 = 2,902.65 : x
  2. Step 2: Convert to fraction form
    4,800.21/7,201.73 = 2,902.65/x
  3. Step 3: Cross multiply
    4,800.21x = 7,201.73 × 2,902.65
  4. Step 4: Simplify right side
    4,800.21x = 20,904,101.58
  5. Step 5: Solve for x
    x = 20,904,101.58/4,800.21
  6. Step 6: Final answer
    x = 4,354.83

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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.