Home / 6,244.78-8,615.73-4,121.37

Finding the Fourth Proportional to 6,244.78, 8,615.73 and 4,121.37

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Solution

The fourth proportional to 6,244.78, 8,615.73 and 4,121.37 is: 5,686.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,244.78 : 8,615.73 = 4,121.37 : x
  2. Step 2: Convert to fraction form
    6,244.78/8,615.73 = 4,121.37/x
  3. Step 3: Cross multiply
    6,244.78x = 8,615.73 × 4,121.37
  4. Step 4: Simplify right side
    6,244.78x = 35,508,611.15
  5. Step 5: Solve for x
    x = 35,508,611.15/6,244.78
  6. Step 6: Final answer
    x = 5,686.13

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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.