Home / 7,284.24-10,917.20-3,119.33

Finding the Fourth Proportional to 7,284.24, 10,917.20 and 3,119.33

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Solution

The fourth proportional to 7,284.24, 10,917.20 and 3,119.33 is: 4,675.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,284.24 : 10,917.20 = 3,119.33 : x
  2. Step 2: Convert to fraction form
    7,284.24/10,917.20 = 3,119.33/x
  3. Step 3: Cross multiply
    7,284.24x = 10,917.20 × 3,119.33
  4. Step 4: Simplify right side
    7,284.24x = 34,054,279.29
  5. Step 5: Solve for x
    x = 34,054,279.29/7,284.24
  6. Step 6: Final answer
    x = 4,675.06

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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.