Home / 6,749.34-10,124.24-1,819.10

Finding the Fourth Proportional to 6,749.34, 10,124.24 and 1,819.10

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Solution

The fourth proportional to 6,749.34, 10,124.24 and 1,819.10 is: 2,728.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,749.34 : 10,124.24 = 1,819.10 : x
  2. Step 2: Convert to fraction form
    6,749.34/10,124.24 = 1,819.10/x
  3. Step 3: Cross multiply
    6,749.34x = 10,124.24 × 1,819.10
  4. Step 4: Simplify right side
    6,749.34x = 18,416,958.91
  5. Step 5: Solve for x
    x = 18,416,958.91/6,749.34
  6. Step 6: Final answer
    x = 2,728.71

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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.