Home / 5,619.92-7,753.86-3,631.64

Finding the Fourth Proportional to 5,619.92, 7,753.86 and 3,631.64

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Solution

The fourth proportional to 5,619.92, 7,753.86 and 3,631.64 is: 5,010.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.92 : 7,753.86 = 3,631.64 : x
  2. Step 2: Convert to fraction form
    5,619.92/7,753.86 = 3,631.64/x
  3. Step 3: Cross multiply
    5,619.92x = 7,753.86 × 3,631.64
  4. Step 4: Simplify right side
    5,619.92x = 28,159,189.36
  5. Step 5: Solve for x
    x = 28,159,189.36/5,619.92
  6. Step 6: Final answer
    x = 5,010.61

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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.