Home / 6,540.45-9,025.62-3,556.20

Finding the Fourth Proportional to 6,540.45, 9,025.62 and 3,556.20

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Solution

The fourth proportional to 6,540.45, 9,025.62 and 3,556.20 is: 4,907.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540.45 : 9,025.62 = 3,556.20 : x
  2. Step 2: Convert to fraction form
    6,540.45/9,025.62 = 3,556.20/x
  3. Step 3: Cross multiply
    6,540.45x = 9,025.62 × 3,556.20
  4. Step 4: Simplify right side
    6,540.45x = 32,096,909.84
  5. Step 5: Solve for x
    x = 32,096,909.84/6,540.45
  6. Step 6: Final answer
    x = 4,907.45

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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.