Home / 5,621.00-8,429.67-2,658.98

Finding the Fourth Proportional to 5,621.00, 8,429.67 and 2,658.98

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Solution

The fourth proportional to 5,621.00, 8,429.67 and 2,658.98 is: 3,987.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.00 : 8,429.67 = 2,658.98 : x
  2. Step 2: Convert to fraction form
    5,621.00/8,429.67 = 2,658.98/x
  3. Step 3: Cross multiply
    5,621.00x = 8,429.67 × 2,658.98
  4. Step 4: Simplify right side
    5,621.00x = 22,414,297.59
  5. Step 5: Solve for x
    x = 22,414,297.59/5,621.00
  6. Step 6: Final answer
    x = 3,987.60

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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.