Home / 6,938.73-10,397.16-3,814.09

Finding the Fourth Proportional to 6,938.73, 10,397.16 and 3,814.09

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Solution

The fourth proportional to 6,938.73, 10,397.16 and 3,814.09 is: 5,715.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.73 : 10,397.16 = 3,814.09 : x
  2. Step 2: Convert to fraction form
    6,938.73/10,397.16 = 3,814.09/x
  3. Step 3: Cross multiply
    6,938.73x = 10,397.16 × 3,814.09
  4. Step 4: Simplify right side
    6,938.73x = 39,655,677.99
  5. Step 5: Solve for x
    x = 39,655,677.99/6,938.73
  6. Step 6: Final answer
    x = 5,715.12

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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.