Home / 6,434.96-8,879.64-4,076.24

Finding the Fourth Proportional to 6,434.96, 8,879.64 and 4,076.24

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Solution

The fourth proportional to 6,434.96, 8,879.64 and 4,076.24 is: 5,624.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,434.96 : 8,879.64 = 4,076.24 : x
  2. Step 2: Convert to fraction form
    6,434.96/8,879.64 = 4,076.24/x
  3. Step 3: Cross multiply
    6,434.96x = 8,879.64 × 4,076.24
  4. Step 4: Simplify right side
    6,434.96x = 36,195,543.75
  5. Step 5: Solve for x
    x = 36,195,543.75/6,434.96
  6. Step 6: Final answer
    x = 5,624.83

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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.