Home / 4,921.16-6,789.17-3,429.94

Finding the Fourth Proportional to 4,921.16, 6,789.17 and 3,429.94

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Solution

The fourth proportional to 4,921.16, 6,789.17 and 3,429.94 is: 4,731.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.16 : 6,789.17 = 3,429.94 : x
  2. Step 2: Convert to fraction form
    4,921.16/6,789.17 = 3,429.94/x
  3. Step 3: Cross multiply
    4,921.16x = 6,789.17 × 3,429.94
  4. Step 4: Simplify right side
    4,921.16x = 23,286,437.35
  5. Step 5: Solve for x
    x = 23,286,437.35/4,921.16
  6. Step 6: Final answer
    x = 4,731.90

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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.