Home / 8,805.51-13,208.30-2,231.70

Finding the Fourth Proportional to 8,805.51, 13,208.30 and 2,231.70

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Solution

The fourth proportional to 8,805.51, 13,208.30 and 2,231.70 is: 3,347.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.51 : 13,208.30 = 2,231.70 : x
  2. Step 2: Convert to fraction form
    8,805.51/13,208.30 = 2,231.70/x
  3. Step 3: Cross multiply
    8,805.51x = 13,208.30 × 2,231.70
  4. Step 4: Simplify right side
    8,805.51x = 29,476,963.11
  5. Step 5: Solve for x
    x = 29,476,963.11/8,805.51
  6. Step 6: Final answer
    x = 3,347.56

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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.