Home / 6,429.32-8,872.68-3,596.61

Finding the Fourth Proportional to 6,429.32, 8,872.68 and 3,596.61

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Solution

The fourth proportional to 6,429.32, 8,872.68 and 3,596.61 is: 4,963.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429.32 : 8,872.68 = 3,596.61 : x
  2. Step 2: Convert to fraction form
    6,429.32/8,872.68 = 3,596.61/x
  3. Step 3: Cross multiply
    6,429.32x = 8,872.68 × 3,596.61
  4. Step 4: Simplify right side
    6,429.32x = 31,911,569.61
  5. Step 5: Solve for x
    x = 31,911,569.61/6,429.32
  6. Step 6: Final answer
    x = 4,963.44

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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.