Home / 5,880.39-8,821.31-1,983.75

Finding the Fourth Proportional to 5,880.39, 8,821.31 and 1,983.75

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Solution

The fourth proportional to 5,880.39, 8,821.31 and 1,983.75 is: 2,975.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,880.39 : 8,821.31 = 1,983.75 : x
  2. Step 2: Convert to fraction form
    5,880.39/8,821.31 = 1,983.75/x
  3. Step 3: Cross multiply
    5,880.39x = 8,821.31 × 1,983.75
  4. Step 4: Simplify right side
    5,880.39x = 17,499,263.79
  5. Step 5: Solve for x
    x = 17,499,263.79/5,880.39
  6. Step 6: Final answer
    x = 2,975.87

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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.