Home / 7,383.58-10,189.40-4,026.42

Finding the Fourth Proportional to 7,383.58, 10,189.40 and 4,026.42

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Solution

The fourth proportional to 7,383.58, 10,189.40 and 4,026.42 is: 5,556.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383.58 : 10,189.40 = 4,026.42 : x
  2. Step 2: Convert to fraction form
    7,383.58/10,189.40 = 4,026.42/x
  3. Step 3: Cross multiply
    7,383.58x = 10,189.40 × 4,026.42
  4. Step 4: Simplify right side
    7,383.58x = 41,026,803.95
  5. Step 5: Solve for x
    x = 41,026,803.95/7,383.58
  6. Step 6: Final answer
    x = 5,556.49

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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.