Home / 4,379.30-6,563.48-2,188.64

Finding the Fourth Proportional to 4,379.30, 6,563.48 and 2,188.64

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Solution

The fourth proportional to 4,379.30, 6,563.48 and 2,188.64 is: 3,280.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,379.30 : 6,563.48 = 2,188.64 : x
  2. Step 2: Convert to fraction form
    4,379.30/6,563.48 = 2,188.64/x
  3. Step 3: Cross multiply
    4,379.30x = 6,563.48 × 2,188.64
  4. Step 4: Simplify right side
    4,379.30x = 14,365,083.92
  5. Step 5: Solve for x
    x = 14,365,083.92/4,379.30
  6. Step 6: Final answer
    x = 3,280.22

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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.