Home / 5,114.36-7,666.11-2,918.38

Finding the Fourth Proportional to 5,114.36, 7,666.11 and 2,918.38

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Solution

The fourth proportional to 5,114.36, 7,666.11 and 2,918.38 is: 4,374.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.36 : 7,666.11 = 2,918.38 : x
  2. Step 2: Convert to fraction form
    5,114.36/7,666.11 = 2,918.38/x
  3. Step 3: Cross multiply
    5,114.36x = 7,666.11 × 2,918.38
  4. Step 4: Simplify right side
    5,114.36x = 22,372,622.10
  5. Step 5: Solve for x
    x = 22,372,622.10/5,114.36
  6. Step 6: Final answer
    x = 4,374.47

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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.