Home / 6,213.27-9,319.90-4,259.55

Finding the Fourth Proportional to 6,213.27, 9,319.90 and 4,259.55

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Solution

The fourth proportional to 6,213.27, 9,319.90 and 4,259.55 is: 6,389.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,213.27 : 9,319.90 = 4,259.55 : x
  2. Step 2: Convert to fraction form
    6,213.27/9,319.90 = 4,259.55/x
  3. Step 3: Cross multiply
    6,213.27x = 9,319.90 × 4,259.55
  4. Step 4: Simplify right side
    6,213.27x = 39,698,580.05
  5. Step 5: Solve for x
    x = 39,698,580.05/6,213.27
  6. Step 6: Final answer
    x = 6,389.32

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Similar ratio
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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.