Home / 4,254.60-6,381.90-3,161.10

Finding the Fourth Proportional to 4,254.60, 6,381.90 and 3,161.10

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Solution

The fourth proportional to 4,254.60, 6,381.90 and 3,161.10 is: 4,741.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,254.60 : 6,381.90 = 3,161.10 : x
  2. Step 2: Convert to fraction form
    4,254.60/6,381.90 = 3,161.10/x
  3. Step 3: Cross multiply
    4,254.60x = 6,381.90 × 3,161.10
  4. Step 4: Simplify right side
    4,254.60x = 20,173,824.09
  5. Step 5: Solve for x
    x = 20,173,824.09/4,254.60
  6. Step 6: Final answer
    x = 4,741.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.