Home / 4,515.42-6,769.89-1,916.94

Finding the Fourth Proportional to 4,515.42, 6,769.89 and 1,916.94

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Solution

The fourth proportional to 4,515.42, 6,769.89 and 1,916.94 is: 2,874.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,515.42 : 6,769.89 = 1,916.94 : x
  2. Step 2: Convert to fraction form
    4,515.42/6,769.89 = 1,916.94/x
  3. Step 3: Cross multiply
    4,515.42x = 6,769.89 × 1,916.94
  4. Step 4: Simplify right side
    4,515.42x = 12,977,472.94
  5. Step 5: Solve for x
    x = 12,977,472.94/4,515.42
  6. Step 6: Final answer
    x = 2,874.03

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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.