Home / 7,556.92-10,428.20-4,199.72

Finding the Fourth Proportional to 7,556.92, 10,428.20 and 4,199.72

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Solution

The fourth proportional to 7,556.92, 10,428.20 and 4,199.72 is: 5,795.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,556.92 : 10,428.20 = 4,199.72 : x
  2. Step 2: Convert to fraction form
    7,556.92/10,428.20 = 4,199.72/x
  3. Step 3: Cross multiply
    7,556.92x = 10,428.20 × 4,199.72
  4. Step 4: Simplify right side
    7,556.92x = 43,795,467.96
  5. Step 5: Solve for x
    x = 43,795,467.96/7,556.92
  6. Step 6: Final answer
    x = 5,795.42

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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.