Home / 8,543.45-12,811.33-3,610.55

Finding the Fourth Proportional to 8,543.45, 12,811.33 and 3,610.55

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Solution

The fourth proportional to 8,543.45, 12,811.33 and 3,610.55 is: 5,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,543.45 : 12,811.33 = 3,610.55 : x
  2. Step 2: Convert to fraction form
    8,543.45/12,811.33 = 3,610.55/x
  3. Step 3: Cross multiply
    8,543.45x = 12,811.33 × 3,610.55
  4. Step 4: Simplify right side
    8,543.45x = 46,255,947.53
  5. Step 5: Solve for x
    x = 46,255,947.53/8,543.45
  6. Step 6: Final answer
    x = 5,414.20

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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.