Home / 8,276.28-12,383.37-4,932.24

Finding the Fourth Proportional to 8,276.28, 12,383.37 and 4,932.24

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Solution

The fourth proportional to 8,276.28, 12,383.37 and 4,932.24 is: 7,379.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.28 : 12,383.37 = 4,932.24 : x
  2. Step 2: Convert to fraction form
    8,276.28/12,383.37 = 4,932.24/x
  3. Step 3: Cross multiply
    8,276.28x = 12,383.37 × 4,932.24
  4. Step 4: Simplify right side
    8,276.28x = 61,077,752.85
  5. Step 5: Solve for x
    x = 61,077,752.85/8,276.28
  6. Step 6: Final answer
    x = 7,379.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.