Home / 5,116.08-7,664.54-2,918.16

Finding the Fourth Proportional to 5,116.08, 7,664.54 and 2,918.16

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Solution

The fourth proportional to 5,116.08, 7,664.54 and 2,918.16 is: 4,371.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.08 : 7,664.54 = 2,918.16 : x
  2. Step 2: Convert to fraction form
    5,116.08/7,664.54 = 2,918.16/x
  3. Step 3: Cross multiply
    5,116.08x = 7,664.54 × 2,918.16
  4. Step 4: Simplify right side
    5,116.08x = 22,366,354.05
  5. Step 5: Solve for x
    x = 22,366,354.05/5,116.08
  6. Step 6: Final answer
    x = 4,371.78

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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.