Home / 6,181.78-8,529.42-3,527.74

Finding the Fourth Proportional to 6,181.78, 8,529.42 and 3,527.74

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Solution

The fourth proportional to 6,181.78, 8,529.42 and 3,527.74 is: 4,867.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,181.78 : 8,529.42 = 3,527.74 : x
  2. Step 2: Convert to fraction form
    6,181.78/8,529.42 = 3,527.74/x
  3. Step 3: Cross multiply
    6,181.78x = 8,529.42 × 3,527.74
  4. Step 4: Simplify right side
    6,181.78x = 30,089,576.11
  5. Step 5: Solve for x
    x = 30,089,576.11/6,181.78
  6. Step 6: Final answer
    x = 4,867.46

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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.