Home / 6,370.44-8,785.36-4,129.96

Finding the Fourth Proportional to 6,370.44, 8,785.36 and 4,129.96

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Solution

The fourth proportional to 6,370.44, 8,785.36 and 4,129.96 is: 5,695.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,370.44 : 8,785.36 = 4,129.96 : x
  2. Step 2: Convert to fraction form
    6,370.44/8,785.36 = 4,129.96/x
  3. Step 3: Cross multiply
    6,370.44x = 8,785.36 × 4,129.96
  4. Step 4: Simplify right side
    6,370.44x = 36,283,185.39
  5. Step 5: Solve for x
    x = 36,283,185.39/6,370.44
  6. Step 6: Final answer
    x = 5,695.55

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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.