Home / 8,814.78-13,220.37-4,133.57

Finding the Fourth Proportional to 8,814.78, 13,220.37 and 4,133.57

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Solution

The fourth proportional to 8,814.78, 13,220.37 and 4,133.57 is: 6,199.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,814.78 : 13,220.37 = 4,133.57 : x
  2. Step 2: Convert to fraction form
    8,814.78/13,220.37 = 4,133.57/x
  3. Step 3: Cross multiply
    8,814.78x = 13,220.37 × 4,133.57
  4. Step 4: Simplify right side
    8,814.78x = 54,647,258.72
  5. Step 5: Solve for x
    x = 54,647,258.72/8,814.78
  6. Step 6: Final answer
    x = 6,199.50

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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.