Home / 5,110.85-7,665.37-1,412.22

Finding the Fourth Proportional to 5,110.85, 7,665.37 and 1,412.22

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Solution

The fourth proportional to 5,110.85, 7,665.37 and 1,412.22 is: 2,118.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.85 : 7,665.37 = 1,412.22 : x
  2. Step 2: Convert to fraction form
    5,110.85/7,665.37 = 1,412.22/x
  3. Step 3: Cross multiply
    5,110.85x = 7,665.37 × 1,412.22
  4. Step 4: Simplify right side
    5,110.85x = 10,825,214.04
  5. Step 5: Solve for x
    x = 10,825,214.04/5,110.85
  6. Step 6: Final answer
    x = 2,118.08

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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.