Home / 5,476.30-8,202.30-2,187.70

Finding the Fourth Proportional to 5,476.30, 8,202.30 and 2,187.70

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Solution

The fourth proportional to 5,476.30, 8,202.30 and 2,187.70 is: 3,276.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.30 : 8,202.30 = 2,187.70 : x
  2. Step 2: Convert to fraction form
    5,476.30/8,202.30 = 2,187.70/x
  3. Step 3: Cross multiply
    5,476.30x = 8,202.30 × 2,187.70
  4. Step 4: Simplify right side
    5,476.30x = 17,944,171.71
  5. Step 5: Solve for x
    x = 17,944,171.71/5,476.30
  6. Step 6: Final answer
    x = 3,276.70

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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.