Home / 5,221.23-7,206.17-2,983.81

Finding the Fourth Proportional to 5,221.23, 7,206.17 and 2,983.81

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Solution

The fourth proportional to 5,221.23, 7,206.17 and 2,983.81 is: 4,118.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.23 : 7,206.17 = 2,983.81 : x
  2. Step 2: Convert to fraction form
    5,221.23/7,206.17 = 2,983.81/x
  3. Step 3: Cross multiply
    5,221.23x = 7,206.17 × 2,983.81
  4. Step 4: Simplify right side
    5,221.23x = 21,501,842.95
  5. Step 5: Solve for x
    x = 21,501,842.95/5,221.23
  6. Step 6: Final answer
    x = 4,118.15

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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.