Home / 6,317.44-8,715.36-3,798.88

Finding the Fourth Proportional to 6,317.44, 8,715.36 and 3,798.88

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Solution

The fourth proportional to 6,317.44, 8,715.36 and 3,798.88 is: 5,240.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,317.44 : 8,715.36 = 3,798.88 : x
  2. Step 2: Convert to fraction form
    6,317.44/8,715.36 = 3,798.88/x
  3. Step 3: Cross multiply
    6,317.44x = 8,715.36 × 3,798.88
  4. Step 4: Simplify right side
    6,317.44x = 33,108,606.80
  5. Step 5: Solve for x
    x = 33,108,606.80/6,317.44
  6. Step 6: Final answer
    x = 5,240.83

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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.