Home / 6,436.92-8,885.16-3,785.12

Finding the Fourth Proportional to 6,436.92, 8,885.16 and 3,785.12

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Solution

The fourth proportional to 6,436.92, 8,885.16 and 3,785.12 is: 5,224.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436.92 : 8,885.16 = 3,785.12 : x
  2. Step 2: Convert to fraction form
    6,436.92/8,885.16 = 3,785.12/x
  3. Step 3: Cross multiply
    6,436.92x = 8,885.16 × 3,785.12
  4. Step 4: Simplify right side
    6,436.92x = 33,631,396.82
  5. Step 5: Solve for x
    x = 33,631,396.82/6,436.92
  6. Step 6: Final answer
    x = 5,224.77

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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.