Home / 6,436.92-8,880.90-3,785.24

Finding the Fourth Proportional to 6,436.92, 8,880.90 and 3,785.24

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Solution

The fourth proportional to 6,436.92, 8,880.90 and 3,785.24 is: 5,222.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436.92 : 8,880.90 = 3,785.24 : x
  2. Step 2: Convert to fraction form
    6,436.92/8,880.90 = 3,785.24/x
  3. Step 3: Cross multiply
    6,436.92x = 8,880.90 × 3,785.24
  4. Step 4: Simplify right side
    6,436.92x = 33,616,337.92
  5. Step 5: Solve for x
    x = 33,616,337.92/6,436.92
  6. Step 6: Final answer
    x = 5,222.43

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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.