Home / 6,436.12-8,882.62-3,783.76

Finding the Fourth Proportional to 6,436.12, 8,882.62 and 3,783.76

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Solution

The fourth proportional to 6,436.12, 8,882.62 and 3,783.76 is: 5,222.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436.12 : 8,882.62 = 3,783.76 : x
  2. Step 2: Convert to fraction form
    6,436.12/8,882.62 = 3,783.76/x
  3. Step 3: Cross multiply
    6,436.12x = 8,882.62 × 3,783.76
  4. Step 4: Simplify right side
    6,436.12x = 33,609,702.25
  5. Step 5: Solve for x
    x = 33,609,702.25/6,436.12
  6. Step 6: Final answer
    x = 5,222.04

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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.