Home / 6,749.77-10,124.52-1,819.90

Finding the Fourth Proportional to 6,749.77, 10,124.52 and 1,819.90

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Solution

The fourth proportional to 6,749.77, 10,124.52 and 1,819.90 is: 2,729.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,749.77 : 10,124.52 = 1,819.90 : x
  2. Step 2: Convert to fraction form
    6,749.77/10,124.52 = 1,819.90/x
  3. Step 3: Cross multiply
    6,749.77x = 10,124.52 × 1,819.90
  4. Step 4: Simplify right side
    6,749.77x = 18,425,613.95
  5. Step 5: Solve for x
    x = 18,425,613.95/6,749.77
  6. Step 6: Final answer
    x = 2,729.81

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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.