Home / 4,479.93-6,183.27-3,420.45

Finding the Fourth Proportional to 4,479.93, 6,183.27 and 3,420.45

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Solution

The fourth proportional to 4,479.93, 6,183.27 and 3,420.45 is: 4,720.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.93 : 6,183.27 = 3,420.45 : x
  2. Step 2: Convert to fraction form
    4,479.93/6,183.27 = 3,420.45/x
  3. Step 3: Cross multiply
    4,479.93x = 6,183.27 × 3,420.45
  4. Step 4: Simplify right side
    4,479.93x = 21,149,565.87
  5. Step 5: Solve for x
    x = 21,149,565.87/4,479.93
  6. Step 6: Final answer
    x = 4,720.96

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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.