Home / 5,229.63-7,842.23-2,108.79

Finding the Fourth Proportional to 5,229.63, 7,842.23 and 2,108.79

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Solution

The fourth proportional to 5,229.63, 7,842.23 and 2,108.79 is: 3,162.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.63 : 7,842.23 = 2,108.79 : x
  2. Step 2: Convert to fraction form
    5,229.63/7,842.23 = 2,108.79/x
  3. Step 3: Cross multiply
    5,229.63x = 7,842.23 × 2,108.79
  4. Step 4: Simplify right side
    5,229.63x = 16,537,605.66
  5. Step 5: Solve for x
    x = 16,537,605.66/5,229.63
  6. Step 6: Final answer
    x = 3,162.29

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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.