Home / 5,983.20-8,974.80-2,087.10

Finding the Fourth Proportional to 5,983.20, 8,974.80 and 2,087.10

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Solution

The fourth proportional to 5,983.20, 8,974.80 and 2,087.10 is: 3,130.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,983.20 : 8,974.80 = 2,087.10 : x
  2. Step 2: Convert to fraction form
    5,983.20/8,974.80 = 2,087.10/x
  3. Step 3: Cross multiply
    5,983.20x = 8,974.80 × 2,087.10
  4. Step 4: Simplify right side
    5,983.20x = 18,731,305.08
  5. Step 5: Solve for x
    x = 18,731,305.08/5,983.20
  6. Step 6: Final answer
    x = 3,130.65

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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.