Home / 5,357.38-8,029.59-2,758.90

Finding the Fourth Proportional to 5,357.38, 8,029.59 and 2,758.90

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Solution

The fourth proportional to 5,357.38, 8,029.59 and 2,758.90 is: 4,135.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357.38 : 8,029.59 = 2,758.90 : x
  2. Step 2: Convert to fraction form
    5,357.38/8,029.59 = 2,758.90/x
  3. Step 3: Cross multiply
    5,357.38x = 8,029.59 × 2,758.90
  4. Step 4: Simplify right side
    5,357.38x = 22,152,835.85
  5. Step 5: Solve for x
    x = 22,152,835.85/5,357.38
  6. Step 6: Final answer
    x = 4,135.01

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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.