Home / 6,429.94-8,872.96-3,635.26

Finding the Fourth Proportional to 6,429.94, 8,872.96 and 3,635.26

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Solution

The fourth proportional to 6,429.94, 8,872.96 and 3,635.26 is: 5,016.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429.94 : 8,872.96 = 3,635.26 : x
  2. Step 2: Convert to fraction form
    6,429.94/8,872.96 = 3,635.26/x
  3. Step 3: Cross multiply
    6,429.94x = 8,872.96 × 3,635.26
  4. Step 4: Simplify right side
    6,429.94x = 32,255,516.57
  5. Step 5: Solve for x
    x = 32,255,516.57/6,429.94
  6. Step 6: Final answer
    x = 5,016.46

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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.