Home / 7,383.90-10,189.80-4,026.72

Finding the Fourth Proportional to 7,383.90, 10,189.80 and 4,026.72

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Solution

The fourth proportional to 7,383.90, 10,189.80 and 4,026.72 is: 5,556.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383.90 : 10,189.80 = 4,026.72 : x
  2. Step 2: Convert to fraction form
    7,383.90/10,189.80 = 4,026.72/x
  3. Step 3: Cross multiply
    7,383.90x = 10,189.80 × 4,026.72
  4. Step 4: Simplify right side
    7,383.90x = 41,031,471.46
  5. Step 5: Solve for x
    x = 41,031,471.46/7,383.90
  6. Step 6: Final answer
    x = 5,556.88

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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.