Home / 5,631.64-8,448.62-2,821.92

Finding the Fourth Proportional to 5,631.64, 8,448.62 and 2,821.92

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Solution

The fourth proportional to 5,631.64, 8,448.62 and 2,821.92 is: 4,233.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.64 : 8,448.62 = 2,821.92 : x
  2. Step 2: Convert to fraction form
    5,631.64/8,448.62 = 2,821.92/x
  3. Step 3: Cross multiply
    5,631.64x = 8,448.62 × 2,821.92
  4. Step 4: Simplify right side
    5,631.64x = 23,841,329.75
  5. Step 5: Solve for x
    x = 23,841,329.75/5,631.64
  6. Step 6: Final answer
    x = 4,233.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.