Home / 6,213.90-8,575.26-3,381.30

Finding the Fourth Proportional to 6,213.90, 8,575.26 and 3,381.30

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Solution

The fourth proportional to 6,213.90, 8,575.26 and 3,381.30 is: 4,666.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,213.90 : 8,575.26 = 3,381.30 : x
  2. Step 2: Convert to fraction form
    6,213.90/8,575.26 = 3,381.30/x
  3. Step 3: Cross multiply
    6,213.90x = 8,575.26 × 3,381.30
  4. Step 4: Simplify right side
    6,213.90x = 28,995,526.64
  5. Step 5: Solve for x
    x = 28,995,526.64/6,213.90
  6. Step 6: Final answer
    x = 4,666.24

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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.