Home / 6,312.09-8,711.24-3,794.61

Finding the Fourth Proportional to 6,312.09, 8,711.24 and 3,794.61

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Solution

The fourth proportional to 6,312.09, 8,711.24 and 3,794.61 is: 5,236.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,312.09 : 8,711.24 = 3,794.61 : x
  2. Step 2: Convert to fraction form
    6,312.09/8,711.24 = 3,794.61/x
  3. Step 3: Cross multiply
    6,312.09x = 8,711.24 × 3,794.61
  4. Step 4: Simplify right side
    6,312.09x = 33,055,739.44
  5. Step 5: Solve for x
    x = 33,055,739.44/6,312.09
  6. Step 6: Final answer
    x = 5,236.89

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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.