Home / 5,578.65-8,357.62-3,994.10

Finding the Fourth Proportional to 5,578.65, 8,357.62 and 3,994.10

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Solution

The fourth proportional to 5,578.65, 8,357.62 and 3,994.10 is: 5,983.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.65 : 8,357.62 = 3,994.10 : x
  2. Step 2: Convert to fraction form
    5,578.65/8,357.62 = 3,994.10/x
  3. Step 3: Cross multiply
    5,578.65x = 8,357.62 × 3,994.10
  4. Step 4: Simplify right side
    5,578.65x = 33,381,170.04
  5. Step 5: Solve for x
    x = 33,381,170.04/5,578.65
  6. Step 6: Final answer
    x = 5,983.74

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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.