Home / 8,113.77-12,170.05-3,433.59

Finding the Fourth Proportional to 8,113.77, 12,170.05 and 3,433.59

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Solution

The fourth proportional to 8,113.77, 12,170.05 and 3,433.59 is: 5,150.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113.77 : 12,170.05 = 3,433.59 : x
  2. Step 2: Convert to fraction form
    8,113.77/12,170.05 = 3,433.59/x
  3. Step 3: Cross multiply
    8,113.77x = 12,170.05 × 3,433.59
  4. Step 4: Simplify right side
    8,113.77x = 41,786,953.40
  5. Step 5: Solve for x
    x = 41,786,953.40/8,113.77
  6. Step 6: Final answer
    x = 5,150.13

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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.