Home / 7,383.69-10,189.09-4,239.88

Finding the Fourth Proportional to 7,383.69, 10,189.09 and 4,239.88

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Solution

The fourth proportional to 7,383.69, 10,189.09 and 4,239.88 is: 5,850.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383.69 : 10,189.09 = 4,239.88 : x
  2. Step 2: Convert to fraction form
    7,383.69/10,189.09 = 4,239.88/x
  3. Step 3: Cross multiply
    7,383.69x = 10,189.09 × 4,239.88
  4. Step 4: Simplify right side
    7,383.69x = 43,200,498.74
  5. Step 5: Solve for x
    x = 43,200,498.74/7,383.69
  6. Step 6: Final answer
    x = 5,850.80

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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.