Home / 4,747.79-6,542.70-3,418.99

Finding the Fourth Proportional to 4,747.79, 6,542.70 and 3,418.99

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Solution

The fourth proportional to 4,747.79, 6,542.70 and 3,418.99 is: 4,711.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747.79 : 6,542.70 = 3,418.99 : x
  2. Step 2: Convert to fraction form
    4,747.79/6,542.70 = 3,418.99/x
  3. Step 3: Cross multiply
    4,747.79x = 6,542.70 × 3,418.99
  4. Step 4: Simplify right side
    4,747.79x = 22,369,425.87
  5. Step 5: Solve for x
    x = 22,369,425.87/4,747.79
  6. Step 6: Final answer
    x = 4,711.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.