Home / 5,110.38-7,665.64-1,412.84

Finding the Fourth Proportional to 5,110.38, 7,665.64 and 1,412.84

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Solution

The fourth proportional to 5,110.38, 7,665.64 and 1,412.84 is: 2,119.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.38 : 7,665.64 = 1,412.84 : x
  2. Step 2: Convert to fraction form
    5,110.38/7,665.64 = 1,412.84/x
  3. Step 3: Cross multiply
    5,110.38x = 7,665.64 × 1,412.84
  4. Step 4: Simplify right side
    5,110.38x = 10,830,338.45
  5. Step 5: Solve for x
    x = 10,830,338.45/5,110.38
  6. Step 6: Final answer
    x = 2,119.28

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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.