Home / 5,242.29-7,235.39-3,005.67

Finding the Fourth Proportional to 5,242.29, 7,235.39 and 3,005.67

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Solution

The fourth proportional to 5,242.29, 7,235.39 and 3,005.67 is: 4,148.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242.29 : 7,235.39 = 3,005.67 : x
  2. Step 2: Convert to fraction form
    5,242.29/7,235.39 = 3,005.67/x
  3. Step 3: Cross multiply
    5,242.29x = 7,235.39 × 3,005.67
  4. Step 4: Simplify right side
    5,242.29x = 21,747,194.66
  5. Step 5: Solve for x
    x = 21,747,194.66/5,242.29
  6. Step 6: Final answer
    x = 4,148.42

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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.