Home / 5,939.56-8,196.60-3,421.88

Finding the Fourth Proportional to 5,939.56, 8,196.60 and 3,421.88

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Solution

The fourth proportional to 5,939.56, 8,196.60 and 3,421.88 is: 4,722.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,939.56 : 8,196.60 = 3,421.88 : x
  2. Step 2: Convert to fraction form
    5,939.56/8,196.60 = 3,421.88/x
  3. Step 3: Cross multiply
    5,939.56x = 8,196.60 × 3,421.88
  4. Step 4: Simplify right side
    5,939.56x = 28,047,781.61
  5. Step 5: Solve for x
    x = 28,047,781.61/5,939.56
  6. Step 6: Final answer
    x = 4,722.20

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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.