Home / 8,372.73-11,553.51-5,015.46

Finding the Fourth Proportional to 8,372.73, 11,553.51 and 5,015.46

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Solution

The fourth proportional to 8,372.73, 11,553.51 and 5,015.46 is: 6,920.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372.73 : 11,553.51 = 5,015.46 : x
  2. Step 2: Convert to fraction form
    8,372.73/11,553.51 = 5,015.46/x
  3. Step 3: Cross multiply
    8,372.73x = 11,553.51 × 5,015.46
  4. Step 4: Simplify right side
    8,372.73x = 57,946,167.26
  5. Step 5: Solve for x
    x = 57,946,167.26/8,372.73
  6. Step 6: Final answer
    x = 6,920.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.