Home / 7,384.87-11,074.06-2,764.63

Finding the Fourth Proportional to 7,384.87, 11,074.06 and 2,764.63

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Solution

The fourth proportional to 7,384.87, 11,074.06 and 2,764.63 is: 4,145.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.87 : 11,074.06 = 2,764.63 : x
  2. Step 2: Convert to fraction form
    7,384.87/11,074.06 = 2,764.63/x
  3. Step 3: Cross multiply
    7,384.87x = 11,074.06 × 2,764.63
  4. Step 4: Simplify right side
    7,384.87x = 30,615,609.30
  5. Step 5: Solve for x
    x = 30,615,609.30/7,384.87
  6. Step 6: Final answer
    x = 4,145.72

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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.