Home / 8,883.40-13,326.99-2,643.43

Finding the Fourth Proportional to 8,883.40, 13,326.99 and 2,643.43

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Solution

The fourth proportional to 8,883.40, 13,326.99 and 2,643.43 is: 3,965.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,883.40 : 13,326.99 = 2,643.43 : x
  2. Step 2: Convert to fraction form
    8,883.40/13,326.99 = 2,643.43/x
  3. Step 3: Cross multiply
    8,883.40x = 13,326.99 × 2,643.43
  4. Step 4: Simplify right side
    8,883.40x = 35,228,965.18
  5. Step 5: Solve for x
    x = 35,228,965.18/8,883.40
  6. Step 6: Final answer
    x = 3,965.71

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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.