Home / 5,345.04-8,020.60-2,879.82

Finding the Fourth Proportional to 5,345.04, 8,020.60 and 2,879.82

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Solution

The fourth proportional to 5,345.04, 8,020.60 and 2,879.82 is: 4,321.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.04 : 8,020.60 = 2,879.82 : x
  2. Step 2: Convert to fraction form
    5,345.04/8,020.60 = 2,879.82/x
  3. Step 3: Cross multiply
    5,345.04x = 8,020.60 × 2,879.82
  4. Step 4: Simplify right side
    5,345.04x = 23,097,884.29
  5. Step 5: Solve for x
    x = 23,097,884.29/5,345.04
  6. Step 6: Final answer
    x = 4,321.37

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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.