Home / 5,231.50-7,213.07-4,108.94

Finding the Fourth Proportional to 5,231.50, 7,213.07 and 4,108.94

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Solution

The fourth proportional to 5,231.50, 7,213.07 and 4,108.94 is: 5,665.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.50 : 7,213.07 = 4,108.94 : x
  2. Step 2: Convert to fraction form
    5,231.50/7,213.07 = 4,108.94/x
  3. Step 3: Cross multiply
    5,231.50x = 7,213.07 × 4,108.94
  4. Step 4: Simplify right side
    5,231.50x = 29,638,071.85
  5. Step 5: Solve for x
    x = 29,638,071.85/5,231.50
  6. Step 6: Final answer
    x = 5,665.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.