Home / 4,827.12-6,661.52-3,149.60

Finding the Fourth Proportional to 4,827.12, 6,661.52 and 3,149.60

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Solution

The fourth proportional to 4,827.12, 6,661.52 and 3,149.60 is: 4,346.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,827.12 : 6,661.52 = 3,149.60 : x
  2. Step 2: Convert to fraction form
    4,827.12/6,661.52 = 3,149.60/x
  3. Step 3: Cross multiply
    4,827.12x = 6,661.52 × 3,149.60
  4. Step 4: Simplify right side
    4,827.12x = 20,981,123.39
  5. Step 5: Solve for x
    x = 20,981,123.39/4,827.12
  6. Step 6: Final answer
    x = 4,346.51

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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.