Home / 5,816.14-8,021.98-3,689.84

Finding the Fourth Proportional to 5,816.14, 8,021.98 and 3,689.84

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Solution

The fourth proportional to 5,816.14, 8,021.98 and 3,689.84 is: 5,089.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,816.14 : 8,021.98 = 3,689.84 : x
  2. Step 2: Convert to fraction form
    5,816.14/8,021.98 = 3,689.84/x
  3. Step 3: Cross multiply
    5,816.14x = 8,021.98 × 3,689.84
  4. Step 4: Simplify right side
    5,816.14x = 29,599,847.35
  5. Step 5: Solve for x
    x = 29,599,847.35/5,816.14
  6. Step 6: Final answer
    x = 5,089.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.