Home / 6,241.91-8,611.76-4,118.49

Finding the Fourth Proportional to 6,241.91, 8,611.76 and 4,118.49

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Solution

The fourth proportional to 6,241.91, 8,611.76 and 4,118.49 is: 5,682.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,241.91 : 8,611.76 = 4,118.49 : x
  2. Step 2: Convert to fraction form
    6,241.91/8,611.76 = 4,118.49/x
  3. Step 3: Cross multiply
    6,241.91x = 8,611.76 × 4,118.49
  4. Step 4: Simplify right side
    6,241.91x = 35,467,457.74
  5. Step 5: Solve for x
    x = 35,467,457.74/6,241.91
  6. Step 6: Final answer
    x = 5,682.15

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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.