Home / 8,425.36-11,627.58-4,889.80

Finding the Fourth Proportional to 8,425.36, 11,627.58 and 4,889.80

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Solution

The fourth proportional to 8,425.36, 11,627.58 and 4,889.80 is: 6,748.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,425.36 : 11,627.58 = 4,889.80 : x
  2. Step 2: Convert to fraction form
    8,425.36/11,627.58 = 4,889.80/x
  3. Step 3: Cross multiply
    8,425.36x = 11,627.58 × 4,889.80
  4. Step 4: Simplify right side
    8,425.36x = 56,856,540.68
  5. Step 5: Solve for x
    x = 56,856,540.68/8,425.36
  6. Step 6: Final answer
    x = 6,748.26

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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.