Home / 6,429.45-8,872.47-3,634.95

Finding the Fourth Proportional to 6,429.45, 8,872.47 and 3,634.95

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Solution

The fourth proportional to 6,429.45, 8,872.47 and 3,634.95 is: 5,016.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429.45 : 8,872.47 = 3,634.95 : x
  2. Step 2: Convert to fraction form
    6,429.45/8,872.47 = 3,634.95/x
  3. Step 3: Cross multiply
    6,429.45x = 8,872.47 × 3,634.95
  4. Step 4: Simplify right side
    6,429.45x = 32,250,984.83
  5. Step 5: Solve for x
    x = 32,250,984.83/6,429.45
  6. Step 6: Final answer
    x = 5,016.13

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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.