Home / 5,193.64-7,167.19-2,835.78

Finding the Fourth Proportional to 5,193.64, 7,167.19 and 2,835.78

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Solution

The fourth proportional to 5,193.64, 7,167.19 and 2,835.78 is: 3,913.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,193.64 : 7,167.19 = 2,835.78 : x
  2. Step 2: Convert to fraction form
    5,193.64/7,167.19 = 2,835.78/x
  3. Step 3: Cross multiply
    5,193.64x = 7,167.19 × 2,835.78
  4. Step 4: Simplify right side
    5,193.64x = 20,324,574.06
  5. Step 5: Solve for x
    x = 20,324,574.06/5,193.64
  6. Step 6: Final answer
    x = 3,913.36

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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.