Home / 5,218.28-7,823.03-2,443.49

Finding the Fourth Proportional to 5,218.28, 7,823.03 and 2,443.49

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Solution

The fourth proportional to 5,218.28, 7,823.03 and 2,443.49 is: 3,663.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.28 : 7,823.03 = 2,443.49 : x
  2. Step 2: Convert to fraction form
    5,218.28/7,823.03 = 2,443.49/x
  3. Step 3: Cross multiply
    5,218.28x = 7,823.03 × 2,443.49
  4. Step 4: Simplify right side
    5,218.28x = 19,115,444.24
  5. Step 5: Solve for x
    x = 19,115,444.24/5,218.28
  6. Step 6: Final answer
    x = 3,663.17

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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.