Home / 8,362.62-12,545.85-2,815.83

Finding the Fourth Proportional to 8,362.62, 12,545.85 and 2,815.83

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Solution

The fourth proportional to 8,362.62, 12,545.85 and 2,815.83 is: 4,224.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,362.62 : 12,545.85 = 2,815.83 : x
  2. Step 2: Convert to fraction form
    8,362.62/12,545.85 = 2,815.83/x
  3. Step 3: Cross multiply
    8,362.62x = 12,545.85 × 2,815.83
  4. Step 4: Simplify right side
    8,362.62x = 35,326,980.81
  5. Step 5: Solve for x
    x = 35,326,980.81/8,362.62
  6. Step 6: Final answer
    x = 4,224.39

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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.