Home / 6,914.12-10,371.20-1,719.99

Finding the Fourth Proportional to 6,914.12, 10,371.20 and 1,719.99

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Solution

The fourth proportional to 6,914.12, 10,371.20 and 1,719.99 is: 2,579.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,914.12 : 10,371.20 = 1,719.99 : x
  2. Step 2: Convert to fraction form
    6,914.12/10,371.20 = 1,719.99/x
  3. Step 3: Cross multiply
    6,914.12x = 10,371.20 × 1,719.99
  4. Step 4: Simplify right side
    6,914.12x = 17,838,351.69
  5. Step 5: Solve for x
    x = 17,838,351.69/6,914.12
  6. Step 6: Final answer
    x = 2,579.99

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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.