Home / 5,375.35-8,065.40-2,088.70

Finding the Fourth Proportional to 5,375.35, 8,065.40 and 2,088.70

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Solution

The fourth proportional to 5,375.35, 8,065.40 and 2,088.70 is: 3,133.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.35 : 8,065.40 = 2,088.70 : x
  2. Step 2: Convert to fraction form
    5,375.35/8,065.40 = 2,088.70/x
  3. Step 3: Cross multiply
    5,375.35x = 8,065.40 × 2,088.70
  4. Step 4: Simplify right side
    5,375.35x = 16,846,200.98
  5. Step 5: Solve for x
    x = 16,846,200.98/5,375.35
  6. Step 6: Final answer
    x = 3,133.97

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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.