Home / 4,418.70-6,631.08-1,647.59

Finding the Fourth Proportional to 4,418.70, 6,631.08 and 1,647.59

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Solution

The fourth proportional to 4,418.70, 6,631.08 and 1,647.59 is: 2,472.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,418.70 : 6,631.08 = 1,647.59 : x
  2. Step 2: Convert to fraction form
    4,418.70/6,631.08 = 1,647.59/x
  3. Step 3: Cross multiply
    4,418.70x = 6,631.08 × 1,647.59
  4. Step 4: Simplify right side
    4,418.70x = 10,925,267.94
  5. Step 5: Solve for x
    x = 10,925,267.94/4,418.70
  6. Step 6: Final answer
    x = 2,472.51

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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.