Home / 5,538.88-8,309.69-2,251.70

Finding the Fourth Proportional to 5,538.88, 8,309.69 and 2,251.70

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Solution

The fourth proportional to 5,538.88, 8,309.69 and 2,251.70 is: 3,378.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.88 : 8,309.69 = 2,251.70 : x
  2. Step 2: Convert to fraction form
    5,538.88/8,309.69 = 2,251.70/x
  3. Step 3: Cross multiply
    5,538.88x = 8,309.69 × 2,251.70
  4. Step 4: Simplify right side
    5,538.88x = 18,710,915.77
  5. Step 5: Solve for x
    x = 18,710,915.77/5,538.88
  6. Step 6: Final answer
    x = 3,378.10

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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.