Home / 5,110.46-7,665.83-1,412.69

Finding the Fourth Proportional to 5,110.46, 7,665.83 and 1,412.69

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Solution

The fourth proportional to 5,110.46, 7,665.83 and 1,412.69 is: 2,119.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.46 : 7,665.83 = 1,412.69 : x
  2. Step 2: Convert to fraction form
    5,110.46/7,665.83 = 1,412.69/x
  3. Step 3: Cross multiply
    5,110.46x = 7,665.83 × 1,412.69
  4. Step 4: Simplify right side
    5,110.46x = 10,829,395.99
  5. Step 5: Solve for x
    x = 10,829,395.99/5,110.46
  6. Step 6: Final answer
    x = 2,119.07

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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.