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Finding the Fourth Proportional to 5,788.44, 8,680.68 and 1,891.92

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Solution

The fourth proportional to 5,788.44, 8,680.68 and 1,891.92 is: 2,837.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,788.44 : 8,680.68 = 1,891.92 : x
  2. Step 2: Convert to fraction form
    5,788.44/8,680.68 = 1,891.92/x
  3. Step 3: Cross multiply
    5,788.44x = 8,680.68 × 1,891.92
  4. Step 4: Simplify right side
    5,788.44x = 16,423,152.11
  5. Step 5: Solve for x
    x = 16,423,152.11/5,788.44
  6. Step 6: Final answer
    x = 2,837.23

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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.