Home / 5,538.70-8,309.62-2,254.15

Finding the Fourth Proportional to 5,538.70, 8,309.62 and 2,254.15

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Solution

The fourth proportional to 5,538.70, 8,309.62 and 2,254.15 is: 3,381.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.70 : 8,309.62 = 2,254.15 : x
  2. Step 2: Convert to fraction form
    5,538.70/8,309.62 = 2,254.15/x
  3. Step 3: Cross multiply
    5,538.70x = 8,309.62 × 2,254.15
  4. Step 4: Simplify right side
    5,538.70x = 18,731,097.88
  5. Step 5: Solve for x
    x = 18,731,097.88/5,538.70
  6. Step 6: Final answer
    x = 3,381.86

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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.