Home / 5,379.32-8,065.85-2,088.57

Finding the Fourth Proportional to 5,379.32, 8,065.85 and 2,088.57

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Solution

The fourth proportional to 5,379.32, 8,065.85 and 2,088.57 is: 3,131.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.32 : 8,065.85 = 2,088.57 : x
  2. Step 2: Convert to fraction form
    5,379.32/8,065.85 = 2,088.57/x
  3. Step 3: Cross multiply
    5,379.32x = 8,065.85 × 2,088.57
  4. Step 4: Simplify right side
    5,379.32x = 16,846,092.33
  5. Step 5: Solve for x
    x = 16,846,092.33/5,379.32
  6. Step 6: Final answer
    x = 3,131.64

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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.