Home / 4,984.36-7,476.49-1,286.27

Finding the Fourth Proportional to 4,984.36, 7,476.49 and 1,286.27

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Solution

The fourth proportional to 4,984.36, 7,476.49 and 1,286.27 is: 1,929.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.36 : 7,476.49 = 1,286.27 : x
  2. Step 2: Convert to fraction form
    4,984.36/7,476.49 = 1,286.27/x
  3. Step 3: Cross multiply
    4,984.36x = 7,476.49 × 1,286.27
  4. Step 4: Simplify right side
    4,984.36x = 9,616,784.79
  5. Step 5: Solve for x
    x = 9,616,784.79/4,984.36
  6. Step 6: Final answer
    x = 1,929.39

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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.