Home / 4,431.30-6,647.19-1,658.70

Finding the Fourth Proportional to 4,431.30, 6,647.19 and 1,658.70

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Solution

The fourth proportional to 4,431.30, 6,647.19 and 1,658.70 is: 2,488.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.30 : 6,647.19 = 1,658.70 : x
  2. Step 2: Convert to fraction form
    4,431.30/6,647.19 = 1,658.70/x
  3. Step 3: Cross multiply
    4,431.30x = 6,647.19 × 1,658.70
  4. Step 4: Simplify right side
    4,431.30x = 11,025,694.05
  5. Step 5: Solve for x
    x = 11,025,694.05/4,431.30
  6. Step 6: Final answer
    x = 2,488.14

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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.