Home / 8,545.43-12,819.06-3,615.57

Finding the Fourth Proportional to 8,545.43, 12,819.06 and 3,615.57

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Solution

The fourth proportional to 8,545.43, 12,819.06 and 3,615.57 is: 5,423.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,545.43 : 12,819.06 = 3,615.57 : x
  2. Step 2: Convert to fraction form
    8,545.43/12,819.06 = 3,615.57/x
  3. Step 3: Cross multiply
    8,545.43x = 12,819.06 × 3,615.57
  4. Step 4: Simplify right side
    8,545.43x = 46,348,176.72
  5. Step 5: Solve for x
    x = 46,348,176.72/8,545.43
  6. Step 6: Final answer
    x = 5,423.74

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1.5x scale

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.