Home / 4,945.62-6,822.12-2,955.45

Finding the Fourth Proportional to 4,945.62, 6,822.12 and 2,955.45

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Solution

The fourth proportional to 4,945.62, 6,822.12 and 2,955.45 is: 4,076.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.62 : 6,822.12 = 2,955.45 : x
  2. Step 2: Convert to fraction form
    4,945.62/6,822.12 = 2,955.45/x
  3. Step 3: Cross multiply
    4,945.62x = 6,822.12 × 2,955.45
  4. Step 4: Simplify right side
    4,945.62x = 20,162,434.55
  5. Step 5: Solve for x
    x = 20,162,434.55/4,945.62
  6. Step 6: Final answer
    x = 4,076.83

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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.