Home / 5,193.77-7,167.14-2,955.61

Finding the Fourth Proportional to 5,193.77, 7,167.14 and 2,955.61

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Solution

The fourth proportional to 5,193.77, 7,167.14 and 2,955.61 is: 4,078.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,193.77 : 7,167.14 = 2,955.61 : x
  2. Step 2: Convert to fraction form
    5,193.77/7,167.14 = 2,955.61/x
  3. Step 3: Cross multiply
    5,193.77x = 7,167.14 × 2,955.61
  4. Step 4: Simplify right side
    5,193.77x = 21,183,237.96
  5. Step 5: Solve for x
    x = 21,183,237.96/5,193.77
  6. Step 6: Final answer
    x = 4,078.58

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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.