Home / 8,261.96-12,393.74-2,715.08

Finding the Fourth Proportional to 8,261.96, 12,393.74 and 2,715.08

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Solution

The fourth proportional to 8,261.96, 12,393.74 and 2,715.08 is: 4,072.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.96 : 12,393.74 = 2,715.08 : x
  2. Step 2: Convert to fraction form
    8,261.96/12,393.74 = 2,715.08/x
  3. Step 3: Cross multiply
    8,261.96x = 12,393.74 × 2,715.08
  4. Step 4: Simplify right side
    8,261.96x = 33,649,995.60
  5. Step 5: Solve for x
    x = 33,649,995.60/8,261.96
  6. Step 6: Final answer
    x = 4,072.88

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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.