Home / 5,534.58-8,300.84-1,638.06

Finding the Fourth Proportional to 5,534.58, 8,300.84 and 1,638.06

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Solution

The fourth proportional to 5,534.58, 8,300.84 and 1,638.06 is: 2,456.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,534.58 : 8,300.84 = 1,638.06 : x
  2. Step 2: Convert to fraction form
    5,534.58/8,300.84 = 1,638.06/x
  3. Step 3: Cross multiply
    5,534.58x = 8,300.84 × 1,638.06
  4. Step 4: Simplify right side
    5,534.58x = 13,597,273.97
  5. Step 5: Solve for x
    x = 13,597,273.97/5,534.58
  6. Step 6: Final answer
    x = 2,456.79

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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.