Home / 8,074.18-12,105.08-3,688.57

Finding the Fourth Proportional to 8,074.18, 12,105.08 and 3,688.57

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Solution

The fourth proportional to 8,074.18, 12,105.08 and 3,688.57 is: 5,530.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074.18 : 12,105.08 = 3,688.57 : x
  2. Step 2: Convert to fraction form
    8,074.18/12,105.08 = 3,688.57/x
  3. Step 3: Cross multiply
    8,074.18x = 12,105.08 × 3,688.57
  4. Step 4: Simplify right side
    8,074.18x = 44,650,434.94
  5. Step 5: Solve for x
    x = 44,650,434.94/8,074.18
  6. Step 6: Final answer
    x = 5,530.03

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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.