Home / 6,286.56-8,677.01-3,635.50

Finding the Fourth Proportional to 6,286.56, 8,677.01 and 3,635.50

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Solution

The fourth proportional to 6,286.56, 8,677.01 and 3,635.50 is: 5,017.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286.56 : 8,677.01 = 3,635.50 : x
  2. Step 2: Convert to fraction form
    6,286.56/8,677.01 = 3,635.50/x
  3. Step 3: Cross multiply
    6,286.56x = 8,677.01 × 3,635.50
  4. Step 4: Simplify right side
    6,286.56x = 31,545,251.68
  5. Step 5: Solve for x
    x = 31,545,251.68/6,286.56
  6. Step 6: Final answer
    x = 5,017.89

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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.