Home / 5,488.30-8,232.99-1,790.38

Finding the Fourth Proportional to 5,488.30, 8,232.99 and 1,790.38

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Solution

The fourth proportional to 5,488.30, 8,232.99 and 1,790.38 is: 2,685.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.30 : 8,232.99 = 1,790.38 : x
  2. Step 2: Convert to fraction form
    5,488.30/8,232.99 = 1,790.38/x
  3. Step 3: Cross multiply
    5,488.30x = 8,232.99 × 1,790.38
  4. Step 4: Simplify right side
    5,488.30x = 14,740,180.64
  5. Step 5: Solve for x
    x = 14,740,180.64/5,488.30
  6. Step 6: Final answer
    x = 2,685.75

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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.