Home / 6,286.17-9,428.01-3,120.30

Finding the Fourth Proportional to 6,286.17, 9,428.01 and 3,120.30

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Solution

The fourth proportional to 6,286.17, 9,428.01 and 3,120.30 is: 4,679.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286.17 : 9,428.01 = 3,120.30 : x
  2. Step 2: Convert to fraction form
    6,286.17/9,428.01 = 3,120.30/x
  3. Step 3: Cross multiply
    6,286.17x = 9,428.01 × 3,120.30
  4. Step 4: Simplify right side
    6,286.17x = 29,418,243.26
  5. Step 5: Solve for x
    x = 29,418,243.26/6,286.17
  6. Step 6: Final answer
    x = 4,679.84

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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.