Home / 5,330.13-7,991.77-2,212.28

Finding the Fourth Proportional to 5,330.13, 7,991.77 and 2,212.28

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Solution

The fourth proportional to 5,330.13, 7,991.77 and 2,212.28 is: 3,317.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.13 : 7,991.77 = 2,212.28 : x
  2. Step 2: Convert to fraction form
    5,330.13/7,991.77 = 2,212.28/x
  3. Step 3: Cross multiply
    5,330.13x = 7,991.77 × 2,212.28
  4. Step 4: Simplify right side
    5,330.13x = 17,680,032.94
  5. Step 5: Solve for x
    x = 17,680,032.94/5,330.13
  6. Step 6: Final answer
    x = 3,317.00

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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.