Home / 4,218.26-5,826.36-3,160.74

Finding the Fourth Proportional to 4,218.26, 5,826.36 and 3,160.74

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Solution

The fourth proportional to 4,218.26, 5,826.36 and 3,160.74 is: 4,365.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.26 : 5,826.36 = 3,160.74 : x
  2. Step 2: Convert to fraction form
    4,218.26/5,826.36 = 3,160.74/x
  3. Step 3: Cross multiply
    4,218.26x = 5,826.36 × 3,160.74
  4. Step 4: Simplify right side
    4,218.26x = 18,415,609.11
  5. Step 5: Solve for x
    x = 18,415,609.11/4,218.26
  6. Step 6: Final answer
    x = 4,365.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.