Home / 8,545.81-12,819.62-3,615.94

Finding the Fourth Proportional to 8,545.81, 12,819.62 and 3,615.94

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Solution

The fourth proportional to 8,545.81, 12,819.62 and 3,615.94 is: 5,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,545.81 : 12,819.62 = 3,615.94 : x
  2. Step 2: Convert to fraction form
    8,545.81/12,819.62 = 3,615.94/x
  3. Step 3: Cross multiply
    8,545.81x = 12,819.62 × 3,615.94
  4. Step 4: Simplify right side
    8,545.81x = 46,355,017.83
  5. Step 5: Solve for x
    x = 46,355,017.83/8,545.81
  6. Step 6: Final answer
    x = 5,424.30

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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.