Home / 5,629.26-8,434.67-3,977.74

Finding the Fourth Proportional to 5,629.26, 8,434.67 and 3,977.74

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Solution

The fourth proportional to 5,629.26, 8,434.67 and 3,977.74 is: 5,960.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.26 : 8,434.67 = 3,977.74 : x
  2. Step 2: Convert to fraction form
    5,629.26/8,434.67 = 3,977.74/x
  3. Step 3: Cross multiply
    5,629.26x = 8,434.67 × 3,977.74
  4. Step 4: Simplify right side
    5,629.26x = 33,550,883.27
  5. Step 5: Solve for x
    x = 33,550,883.27/5,629.26
  6. Step 6: Final answer
    x = 5,960.09

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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.