Home / 8,826.31-13,230.28-2,979.73

Finding the Fourth Proportional to 8,826.31, 13,230.28 and 2,979.73

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Solution

The fourth proportional to 8,826.31, 13,230.28 and 2,979.73 is: 4,466.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,826.31 : 13,230.28 = 2,979.73 : x
  2. Step 2: Convert to fraction form
    8,826.31/13,230.28 = 2,979.73/x
  3. Step 3: Cross multiply
    8,826.31x = 13,230.28 × 2,979.73
  4. Step 4: Simplify right side
    8,826.31x = 39,422,662.22
  5. Step 5: Solve for x
    x = 39,422,662.22/8,826.31
  6. Step 6: Final answer
    x = 4,466.49

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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.