Home / 6,845.40-10,272.20-4,738.69

Finding the Fourth Proportional to 6,845.40, 10,272.20 and 4,738.69

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Solution

The fourth proportional to 6,845.40, 10,272.20 and 4,738.69 is: 7,110.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,845.40 : 10,272.20 = 4,738.69 : x
  2. Step 2: Convert to fraction form
    6,845.40/10,272.20 = 4,738.69/x
  3. Step 3: Cross multiply
    6,845.40x = 10,272.20 × 4,738.69
  4. Step 4: Simplify right side
    6,845.40x = 48,676,771.42
  5. Step 5: Solve for x
    x = 48,676,771.42/6,845.40
  6. Step 6: Final answer
    x = 7,110.87

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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.