Home / 6,213.89-8,575.04-3,381.20

Finding the Fourth Proportional to 6,213.89, 8,575.04 and 3,381.20

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Solution

The fourth proportional to 6,213.89, 8,575.04 and 3,381.20 is: 4,665.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,213.89 : 8,575.04 = 3,381.20 : x
  2. Step 2: Convert to fraction form
    6,213.89/8,575.04 = 3,381.20/x
  3. Step 3: Cross multiply
    6,213.89x = 8,575.04 × 3,381.20
  4. Step 4: Simplify right side
    6,213.89x = 28,993,865.47
  5. Step 5: Solve for x
    x = 28,993,865.47/6,213.89
  6. Step 6: Final answer
    x = 4,665.98

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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.