Home / 4,917.50-7,381.11-2,609

Finding the Fourth Proportional to 4,917.50, 7,381.11 and 2,609

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Solution

The fourth proportional to 4,917.50, 7,381.11 and 2,609 is: 3,916.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.50 : 7,381.11 = 2,609 : x
  2. Step 2: Convert to fraction form
    4,917.50/7,381.11 = 2,609/x
  3. Step 3: Cross multiply
    4,917.50x = 7,381.11 × 2,609
  4. Step 4: Simplify right side
    4,917.50x = 19,257,315.99
  5. Step 5: Solve for x
    x = 19,257,315.99/4,917.50
  6. Step 6: Final answer
    x = 3,916.08

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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.