Home / 5,220.64-7,833.39-5,159.89

Finding the Fourth Proportional to 5,220.64, 7,833.39 and 5,159.89

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Solution

The fourth proportional to 5,220.64, 7,833.39 and 5,159.89 is: 7,742.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.64 : 7,833.39 = 5,159.89 : x
  2. Step 2: Convert to fraction form
    5,220.64/7,833.39 = 5,159.89/x
  3. Step 3: Cross multiply
    5,220.64x = 7,833.39 × 5,159.89
  4. Step 4: Simplify right side
    5,220.64x = 40,419,430.73
  5. Step 5: Solve for x
    x = 40,419,430.73/5,220.64
  6. Step 6: Final answer
    x = 7,742.24

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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.