Home / 6,213.90-8,575.25-3,381.29

Finding the Fourth Proportional to 6,213.90, 8,575.25 and 3,381.29

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Solution

The fourth proportional to 6,213.90, 8,575.25 and 3,381.29 is: 4,666.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,213.90 : 8,575.25 = 3,381.29 : x
  2. Step 2: Convert to fraction form
    6,213.90/8,575.25 = 3,381.29/x
  3. Step 3: Cross multiply
    6,213.90x = 8,575.25 × 3,381.29
  4. Step 4: Simplify right side
    6,213.90x = 28,995,347.29
  5. Step 5: Solve for x
    x = 28,995,347.29/6,213.90
  6. Step 6: Final answer
    x = 4,666.21

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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.