Home / 8,113.34-12,170.00-2,919.08

Finding the Fourth Proportional to 8,113.34, 12,170.00 and 2,919.08

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Solution

The fourth proportional to 8,113.34, 12,170.00 and 2,919.08 is: 4,378.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113.34 : 12,170.00 = 2,919.08 : x
  2. Step 2: Convert to fraction form
    8,113.34/12,170.00 = 2,919.08/x
  3. Step 3: Cross multiply
    8,113.34x = 12,170.00 × 2,919.08
  4. Step 4: Simplify right side
    8,113.34x = 35,525,150.05
  5. Step 5: Solve for x
    x = 35,525,150.05/8,113.34
  6. Step 6: Final answer
    x = 4,378.61

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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.