Home / 8,362.90-12,545.70-3,365.38

Finding the Fourth Proportional to 8,362.90, 12,545.70 and 3,365.38

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Solution

The fourth proportional to 8,362.90, 12,545.70 and 3,365.38 is: 5,048.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,362.90 : 12,545.70 = 3,365.38 : x
  2. Step 2: Convert to fraction form
    8,362.90/12,545.70 = 3,365.38/x
  3. Step 3: Cross multiply
    8,362.90x = 12,545.70 × 3,365.38
  4. Step 4: Simplify right side
    8,362.90x = 42,221,047.87
  5. Step 5: Solve for x
    x = 42,221,047.87/8,362.90
  6. Step 6: Final answer
    x = 5,048.61

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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.