Home / 6,433.80-8,879.60-4,076.16

Finding the Fourth Proportional to 6,433.80, 8,879.60 and 4,076.16

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Solution

The fourth proportional to 6,433.80, 8,879.60 and 4,076.16 is: 5,625.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,433.80 : 8,879.60 = 4,076.16 : x
  2. Step 2: Convert to fraction form
    6,433.80/8,879.60 = 4,076.16/x
  3. Step 3: Cross multiply
    6,433.80x = 8,879.60 × 4,076.16
  4. Step 4: Simplify right side
    6,433.80x = 36,194,670.34
  5. Step 5: Solve for x
    x = 36,194,670.34/6,433.80
  6. Step 6: Final answer
    x = 5,625.71

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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.