Home / 8,545.40-12,819.90-3,351.26

Finding the Fourth Proportional to 8,545.40, 12,819.90 and 3,351.26

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Solution

The fourth proportional to 8,545.40, 12,819.90 and 3,351.26 is: 5,027.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,545.40 : 12,819.90 = 3,351.26 : x
  2. Step 2: Convert to fraction form
    8,545.40/12,819.90 = 3,351.26/x
  3. Step 3: Cross multiply
    8,545.40x = 12,819.90 × 3,351.26
  4. Step 4: Simplify right side
    8,545.40x = 42,962,818.07
  5. Step 5: Solve for x
    x = 42,962,818.07/8,545.40
  6. Step 6: Final answer
    x = 5,027.60

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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.