Home / 6,239.89-8,608.98-4,116.48

Finding the Fourth Proportional to 6,239.89, 8,608.98 and 4,116.48

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Solution

The fourth proportional to 6,239.89, 8,608.98 and 4,116.48 is: 5,679.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.89 : 8,608.98 = 4,116.48 : x
  2. Step 2: Convert to fraction form
    6,239.89/8,608.98 = 4,116.48/x
  3. Step 3: Cross multiply
    6,239.89x = 8,608.98 × 4,116.48
  4. Step 4: Simplify right side
    6,239.89x = 35,438,677.14
  5. Step 5: Solve for x
    x = 35,438,677.14/6,239.89
  6. Step 6: Final answer
    x = 5,679.37

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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.