Home / 8,938.17-13,403.66-2,696.25

Finding the Fourth Proportional to 8,938.17, 13,403.66 and 2,696.25

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Solution

The fourth proportional to 8,938.17, 13,403.66 and 2,696.25 is: 4,043.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938.17 : 13,403.66 = 2,696.25 : x
  2. Step 2: Convert to fraction form
    8,938.17/13,403.66 = 2,696.25/x
  3. Step 3: Cross multiply
    8,938.17x = 13,403.66 × 2,696.25
  4. Step 4: Simplify right side
    8,938.17x = 36,139,604.79
  5. Step 5: Solve for x
    x = 36,139,604.79/8,938.17
  6. Step 6: Final answer
    x = 4,043.29

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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.