Home / 6,317.44-8,707.36-4,429.60

Finding the Fourth Proportional to 6,317.44, 8,707.36 and 4,429.60

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Solution

The fourth proportional to 6,317.44, 8,707.36 and 4,429.60 is: 6,105.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,317.44 : 8,707.36 = 4,429.60 : x
  2. Step 2: Convert to fraction form
    6,317.44/8,707.36 = 4,429.60/x
  3. Step 3: Cross multiply
    6,317.44x = 8,707.36 × 4,429.60
  4. Step 4: Simplify right side
    6,317.44x = 38,570,121.86
  5. Step 5: Solve for x
    x = 38,570,121.86/6,317.44
  6. Step 6: Final answer
    x = 6,105.34

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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.