Home / 4,622.64-6,934.05-2,156.79

Finding the Fourth Proportional to 4,622.64, 6,934.05 and 2,156.79

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Solution

The fourth proportional to 4,622.64, 6,934.05 and 2,156.79 is: 3,235.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622.64 : 6,934.05 = 2,156.79 : x
  2. Step 2: Convert to fraction form
    4,622.64/6,934.05 = 2,156.79/x
  3. Step 3: Cross multiply
    4,622.64x = 6,934.05 × 2,156.79
  4. Step 4: Simplify right side
    4,622.64x = 14,955,289.70
  5. Step 5: Solve for x
    x = 14,955,289.70/4,622.64
  6. Step 6: Final answer
    x = 3,235.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.