Home / 4,542.12-6,800.16-3,078.66

Finding the Fourth Proportional to 4,542.12, 6,800.16 and 3,078.66

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Solution

The fourth proportional to 4,542.12, 6,800.16 and 3,078.66 is: 4,609.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,542.12 : 6,800.16 = 3,078.66 : x
  2. Step 2: Convert to fraction form
    4,542.12/6,800.16 = 3,078.66/x
  3. Step 3: Cross multiply
    4,542.12x = 6,800.16 × 3,078.66
  4. Step 4: Simplify right side
    4,542.12x = 20,935,380.59
  5. Step 5: Solve for x
    x = 20,935,380.59/4,542.12
  6. Step 6: Final answer
    x = 4,609.17

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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.