Home / 7,383.90-10,189.40-4,026.68

Finding the Fourth Proportional to 7,383.90, 10,189.40 and 4,026.68

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Solution

The fourth proportional to 7,383.90, 10,189.40 and 4,026.68 is: 5,556.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383.90 : 10,189.40 = 4,026.68 : x
  2. Step 2: Convert to fraction form
    7,383.90/10,189.40 = 4,026.68/x
  3. Step 3: Cross multiply
    7,383.90x = 10,189.40 × 4,026.68
  4. Step 4: Simplify right side
    7,383.90x = 41,029,453.19
  5. Step 5: Solve for x
    x = 41,029,453.19/7,383.90
  6. Step 6: Final answer
    x = 5,556.61

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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.