Home / 5,345.00-8,020.96-2,881.54

Finding the Fourth Proportional to 5,345.00, 8,020.96 and 2,881.54

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Solution

The fourth proportional to 5,345.00, 8,020.96 and 2,881.54 is: 4,324.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.00 : 8,020.96 = 2,881.54 : x
  2. Step 2: Convert to fraction form
    5,345.00/8,020.96 = 2,881.54/x
  3. Step 3: Cross multiply
    5,345.00x = 8,020.96 × 2,881.54
  4. Step 4: Simplify right side
    5,345.00x = 23,112,719.90
  5. Step 5: Solve for x
    x = 23,112,719.90/5,345.00
  6. Step 6: Final answer
    x = 4,324.17

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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.