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Finding the Fourth Proportional to 4,519, 6,235.82 and 2,528.92

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Solution

The fourth proportional to 4,519, 6,235.82 and 2,528.92 is: 3,489.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,519 : 6,235.82 = 2,528.92 : x
  2. Step 2: Convert to fraction form
    4,519/6,235.82 = 2,528.92/x
  3. Step 3: Cross multiply
    4,519x = 6,235.82 × 2,528.92
  4. Step 4: Simplify right side
    4,519x = 15,769,889.91
  5. Step 5: Solve for x
    x = 15,769,889.91/4,519
  6. Step 6: Final answer
    x = 3,489.69

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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.