Home / 6,212.20-9,318.12-2,052.40

Finding the Fourth Proportional to 6,212.20, 9,318.12 and 2,052.40

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Solution

The fourth proportional to 6,212.20, 9,318.12 and 2,052.40 is: 3,078.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,212.20 : 9,318.12 = 2,052.40 : x
  2. Step 2: Convert to fraction form
    6,212.20/9,318.12 = 2,052.40/x
  3. Step 3: Cross multiply
    6,212.20x = 9,318.12 × 2,052.40
  4. Step 4: Simplify right side
    6,212.20x = 19,124,509.49
  5. Step 5: Solve for x
    x = 19,124,509.49/6,212.20
  6. Step 6: Final answer
    x = 3,078.54

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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.