Home / 4,747.50-6,551.55-3,179.34

Finding the Fourth Proportional to 4,747.50, 6,551.55 and 3,179.34

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Solution

The fourth proportional to 4,747.50, 6,551.55 and 3,179.34 is: 4,387.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747.50 : 6,551.55 = 3,179.34 : x
  2. Step 2: Convert to fraction form
    4,747.50/6,551.55 = 3,179.34/x
  3. Step 3: Cross multiply
    4,747.50x = 6,551.55 × 3,179.34
  4. Step 4: Simplify right side
    4,747.50x = 20,829,604.98
  5. Step 5: Solve for x
    x = 20,829,604.98/4,747.50
  6. Step 6: Final answer
    x = 4,387.49

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Half scale
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Double scale
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Similar ratio
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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.