Home / 8,360.15-12,545.10-3,166.43

Finding the Fourth Proportional to 8,360.15, 12,545.10 and 3,166.43

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Solution

The fourth proportional to 8,360.15, 12,545.10 and 3,166.43 is: 4,751.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360.15 : 12,545.10 = 3,166.43 : x
  2. Step 2: Convert to fraction form
    8,360.15/12,545.10 = 3,166.43/x
  3. Step 3: Cross multiply
    8,360.15x = 12,545.10 × 3,166.43
  4. Step 4: Simplify right side
    8,360.15x = 39,723,118.27
  5. Step 5: Solve for x
    x = 39,723,118.27/8,360.15
  6. Step 6: Final answer
    x = 4,751.49

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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.