Home / 8,790.43-13,185.79-2,867.30

Finding the Fourth Proportional to 8,790.43, 13,185.79 and 2,867.30

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Solution

The fourth proportional to 8,790.43, 13,185.79 and 2,867.30 is: 4,300.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.43 : 13,185.79 = 2,867.30 : x
  2. Step 2: Convert to fraction form
    8,790.43/13,185.79 = 2,867.30/x
  3. Step 3: Cross multiply
    8,790.43x = 13,185.79 × 2,867.30
  4. Step 4: Simplify right side
    8,790.43x = 37,807,535.40
  5. Step 5: Solve for x
    x = 37,807,535.40/8,790.43
  6. Step 6: Final answer
    x = 4,300.99

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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.