Home / 5,551.70-8,326.79-1,853.85

Finding the Fourth Proportional to 5,551.70, 8,326.79 and 1,853.85

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Solution

The fourth proportional to 5,551.70, 8,326.79 and 1,853.85 is: 2,780.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.70 : 8,326.79 = 1,853.85 : x
  2. Step 2: Convert to fraction form
    5,551.70/8,326.79 = 1,853.85/x
  3. Step 3: Cross multiply
    5,551.70x = 8,326.79 × 1,853.85
  4. Step 4: Simplify right side
    5,551.70x = 15,436,619.64
  5. Step 5: Solve for x
    x = 15,436,619.64/5,551.70
  6. Step 6: Final answer
    x = 2,780.52

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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.