Home / 5,913.24-8,160.06-3,819.48

Finding the Fourth Proportional to 5,913.24, 8,160.06 and 3,819.48

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Solution

The fourth proportional to 5,913.24, 8,160.06 and 3,819.48 is: 5,270.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.24 : 8,160.06 = 3,819.48 : x
  2. Step 2: Convert to fraction form
    5,913.24/8,160.06 = 3,819.48/x
  3. Step 3: Cross multiply
    5,913.24x = 8,160.06 × 3,819.48
  4. Step 4: Simplify right side
    5,913.24x = 31,167,185.97
  5. Step 5: Solve for x
    x = 31,167,185.97/5,913.24
  6. Step 6: Final answer
    x = 5,270.75

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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.