Home / 5,211.92-7,195.56-4,628.72

Finding the Fourth Proportional to 5,211.92, 7,195.56 and 4,628.72

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Solution

The fourth proportional to 5,211.92, 7,195.56 and 4,628.72 is: 6,390.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.92 : 7,195.56 = 4,628.72 : x
  2. Step 2: Convert to fraction form
    5,211.92/7,195.56 = 4,628.72/x
  3. Step 3: Cross multiply
    5,211.92x = 7,195.56 × 4,628.72
  4. Step 4: Simplify right side
    5,211.92x = 33,306,232.48
  5. Step 5: Solve for x
    x = 33,306,232.48/5,211.92
  6. Step 6: Final answer
    x = 6,390.40

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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.