Home / 6,436.28-8,883.34-4,076.76

Finding the Fourth Proportional to 6,436.28, 8,883.34 and 4,076.76

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Solution

The fourth proportional to 6,436.28, 8,883.34 and 4,076.76 is: 5,626.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436.28 : 8,883.34 = 4,076.76 : x
  2. Step 2: Convert to fraction form
    6,436.28/8,883.34 = 4,076.76/x
  3. Step 3: Cross multiply
    6,436.28x = 8,883.34 × 4,076.76
  4. Step 4: Simplify right side
    6,436.28x = 36,215,245.18
  5. Step 5: Solve for x
    x = 36,215,245.18/6,436.28
  6. Step 6: Final answer
    x = 5,626.74

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Half scale
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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.