Home / 4,421.92-6,632.96-3,540.32

Finding the Fourth Proportional to 4,421.92, 6,632.96 and 3,540.32

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Solution

The fourth proportional to 4,421.92, 6,632.96 and 3,540.32 is: 5,310.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,421.92 : 6,632.96 = 3,540.32 : x
  2. Step 2: Convert to fraction form
    4,421.92/6,632.96 = 3,540.32/x
  3. Step 3: Cross multiply
    4,421.92x = 6,632.96 × 3,540.32
  4. Step 4: Simplify right side
    4,421.92x = 23,482,783.25
  5. Step 5: Solve for x
    x = 23,482,783.25/4,421.92
  6. Step 6: Final answer
    x = 5,310.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.