Home / 6,749.76-10,124.80-1,819.84

Finding the Fourth Proportional to 6,749.76, 10,124.80 and 1,819.84

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Solution

The fourth proportional to 6,749.76, 10,124.80 and 1,819.84 is: 2,729.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,749.76 : 10,124.80 = 1,819.84 : x
  2. Step 2: Convert to fraction form
    6,749.76/10,124.80 = 1,819.84/x
  3. Step 3: Cross multiply
    6,749.76x = 10,124.80 × 1,819.84
  4. Step 4: Simplify right side
    6,749.76x = 18,425,516.03
  5. Step 5: Solve for x
    x = 18,425,516.03/6,749.76
  6. Step 6: Final answer
    x = 2,729.80

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1.5x scale

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.