Home / 4,816.76-6,647.24-2,720.88

Finding the Fourth Proportional to 4,816.76, 6,647.24 and 2,720.88

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Solution

The fourth proportional to 4,816.76, 6,647.24 and 2,720.88 is: 3,754.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,816.76 : 6,647.24 = 2,720.88 : x
  2. Step 2: Convert to fraction form
    4,816.76/6,647.24 = 2,720.88/x
  3. Step 3: Cross multiply
    4,816.76x = 6,647.24 × 2,720.88
  4. Step 4: Simplify right side
    4,816.76x = 18,086,342.37
  5. Step 5: Solve for x
    x = 18,086,342.37/4,816.76
  6. Step 6: Final answer
    x = 3,754.88

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Half scale
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Double 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.