Home / 6,246.42-8,620.56-3,729.30

Finding the Fourth Proportional to 6,246.42, 8,620.56 and 3,729.30

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Solution

The fourth proportional to 6,246.42, 8,620.56 and 3,729.30 is: 5,146.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,246.42 : 8,620.56 = 3,729.30 : x
  2. Step 2: Convert to fraction form
    6,246.42/8,620.56 = 3,729.30/x
  3. Step 3: Cross multiply
    6,246.42x = 8,620.56 × 3,729.30
  4. Step 4: Simplify right side
    6,246.42x = 32,148,654.41
  5. Step 5: Solve for x
    x = 32,148,654.41/6,246.42
  6. Step 6: Final answer
    x = 5,146.73

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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.