Home / 4,453.68-6,678.27-2,605.40

Finding the Fourth Proportional to 4,453.68, 6,678.27 and 2,605.40

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Solution

The fourth proportional to 4,453.68, 6,678.27 and 2,605.40 is: 3,906.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,453.68 : 6,678.27 = 2,605.40 : x
  2. Step 2: Convert to fraction form
    4,453.68/6,678.27 = 2,605.40/x
  3. Step 3: Cross multiply
    4,453.68x = 6,678.27 × 2,605.40
  4. Step 4: Simplify right side
    4,453.68x = 17,399,531.27
  5. Step 5: Solve for x
    x = 17,399,531.27/4,453.68
  6. Step 6: Final answer
    x = 3,906.78

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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.