Home / 8,274.57-11,418.36-4,917.69

Finding the Fourth Proportional to 8,274.57, 11,418.36 and 4,917.69

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Solution

The fourth proportional to 8,274.57, 11,418.36 and 4,917.69 is: 6,786.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,274.57 : 11,418.36 = 4,917.69 : x
  2. Step 2: Convert to fraction form
    8,274.57/11,418.36 = 4,917.69/x
  3. Step 3: Cross multiply
    8,274.57x = 11,418.36 × 4,917.69
  4. Step 4: Simplify right side
    8,274.57x = 56,151,954.79
  5. Step 5: Solve for x
    x = 56,151,954.79/8,274.57
  6. Step 6: Final answer
    x = 6,786.09

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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.