Home / 5,880.20-8,821.31-1,983.69

Finding the Fourth Proportional to 5,880.20, 8,821.31 and 1,983.69

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Solution

The fourth proportional to 5,880.20, 8,821.31 and 1,983.69 is: 2,975.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,880.20 : 8,821.31 = 1,983.69 : x
  2. Step 2: Convert to fraction form
    5,880.20/8,821.31 = 1,983.69/x
  3. Step 3: Cross multiply
    5,880.20x = 8,821.31 × 1,983.69
  4. Step 4: Simplify right side
    5,880.20x = 17,498,734.52
  5. Step 5: Solve for x
    x = 17,498,734.52/5,880.20
  6. Step 6: Final answer
    x = 2,975.88

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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.