Home / 5,183.31-7,148.57-4,379.70

Finding the Fourth Proportional to 5,183.31, 7,148.57 and 4,379.70

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Solution

The fourth proportional to 5,183.31, 7,148.57 and 4,379.70 is: 6,040.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.31 : 7,148.57 = 4,379.70 : x
  2. Step 2: Convert to fraction form
    5,183.31/7,148.57 = 4,379.70/x
  3. Step 3: Cross multiply
    5,183.31x = 7,148.57 × 4,379.70
  4. Step 4: Simplify right side
    5,183.31x = 31,308,613.36
  5. Step 5: Solve for x
    x = 31,308,613.36/5,183.31
  6. Step 6: Final answer
    x = 6,040.27

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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.