Home / 6,125.40-8,451.21-4,234.77

Finding the Fourth Proportional to 6,125.40, 8,451.21 and 4,234.77

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Solution

The fourth proportional to 6,125.40, 8,451.21 and 4,234.77 is: 5,842.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,125.40 : 8,451.21 = 4,234.77 : x
  2. Step 2: Convert to fraction form
    6,125.40/8,451.21 = 4,234.77/x
  3. Step 3: Cross multiply
    6,125.40x = 8,451.21 × 4,234.77
  4. Step 4: Simplify right side
    6,125.40x = 35,788,930.57
  5. Step 5: Solve for x
    x = 35,788,930.57/6,125.40
  6. Step 6: Final answer
    x = 5,842.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.