Home / 5,553.90-8,330.71-1,805.66

Finding the Fourth Proportional to 5,553.90, 8,330.71 and 1,805.66

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Solution

The fourth proportional to 5,553.90, 8,330.71 and 1,805.66 is: 2,708.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.90 : 8,330.71 = 1,805.66 : x
  2. Step 2: Convert to fraction form
    5,553.90/8,330.71 = 1,805.66/x
  3. Step 3: Cross multiply
    5,553.90x = 8,330.71 × 1,805.66
  4. Step 4: Simplify right side
    5,553.90x = 15,042,429.82
  5. Step 5: Solve for x
    x = 15,042,429.82/5,553.90
  6. Step 6: Final answer
    x = 2,708.44

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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.