Home / 5,381.37-8,068.91-2,090.61

Finding the Fourth Proportional to 5,381.37, 8,068.91 and 2,090.61

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Solution

The fourth proportional to 5,381.37, 8,068.91 and 2,090.61 is: 3,134.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.37 : 8,068.91 = 2,090.61 : x
  2. Step 2: Convert to fraction form
    5,381.37/8,068.91 = 2,090.61/x
  3. Step 3: Cross multiply
    5,381.37x = 8,068.91 × 2,090.61
  4. Step 4: Simplify right side
    5,381.37x = 16,868,933.48
  5. Step 5: Solve for x
    x = 16,868,933.48/5,381.37
  6. Step 6: Final answer
    x = 3,134.69

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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.