Home / 5,114.91-7,669.92-2,771.19

Finding the Fourth Proportional to 5,114.91, 7,669.92 and 2,771.19

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Solution

The fourth proportional to 5,114.91, 7,669.92 and 2,771.19 is: 4,155.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.91 : 7,669.92 = 2,771.19 : x
  2. Step 2: Convert to fraction form
    5,114.91/7,669.92 = 2,771.19/x
  3. Step 3: Cross multiply
    5,114.91x = 7,669.92 × 2,771.19
  4. Step 4: Simplify right side
    5,114.91x = 21,254,805.60
  5. Step 5: Solve for x
    x = 21,254,805.60/5,114.91
  6. Step 6: Final answer
    x = 4,155.46

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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.