Home / 5,214.33-7,821.89-1,516.62

Finding the Fourth Proportional to 5,214.33, 7,821.89 and 1,516.62

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Solution

The fourth proportional to 5,214.33, 7,821.89 and 1,516.62 is: 2,275.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.33 : 7,821.89 = 1,516.62 : x
  2. Step 2: Convert to fraction form
    5,214.33/7,821.89 = 1,516.62/x
  3. Step 3: Cross multiply
    5,214.33x = 7,821.89 × 1,516.62
  4. Step 4: Simplify right side
    5,214.33x = 11,862,834.81
  5. Step 5: Solve for x
    x = 11,862,834.81/5,214.33
  6. Step 6: Final answer
    x = 2,275.04

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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.