Home / 5,473.05-8,210.79-2,187.69

Finding the Fourth Proportional to 5,473.05, 8,210.79 and 2,187.69

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Solution

The fourth proportional to 5,473.05, 8,210.79 and 2,187.69 is: 3,282.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,473.05 : 8,210.79 = 2,187.69 : x
  2. Step 2: Convert to fraction form
    5,473.05/8,210.79 = 2,187.69/x
  3. Step 3: Cross multiply
    5,473.05x = 8,210.79 × 2,187.69
  4. Step 4: Simplify right side
    5,473.05x = 17,962,663.18
  5. Step 5: Solve for x
    x = 17,962,663.18/5,473.05
  6. Step 6: Final answer
    x = 3,282.02

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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.