Home / 4,185.21-5,776.11-2,416.78

Finding the Fourth Proportional to 4,185.21, 5,776.11 and 2,416.78

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Solution

The fourth proportional to 4,185.21, 5,776.11 and 2,416.78 is: 3,335.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.21 : 5,776.11 = 2,416.78 : x
  2. Step 2: Convert to fraction form
    4,185.21/5,776.11 = 2,416.78/x
  3. Step 3: Cross multiply
    4,185.21x = 5,776.11 × 2,416.78
  4. Step 4: Simplify right side
    4,185.21x = 13,959,594.35
  5. Step 5: Solve for x
    x = 13,959,594.35/4,185.21
  6. Step 6: Final answer
    x = 3,335.46

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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.