Home / 6,170.12-8,512.65-3,515.61

Finding the Fourth Proportional to 6,170.12, 8,512.65 and 3,515.61

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Solution

The fourth proportional to 6,170.12, 8,512.65 and 3,515.61 is: 4,850.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,170.12 : 8,512.65 = 3,515.61 : x
  2. Step 2: Convert to fraction form
    6,170.12/8,512.65 = 3,515.61/x
  3. Step 3: Cross multiply
    6,170.12x = 8,512.65 × 3,515.61
  4. Step 4: Simplify right side
    6,170.12x = 29,927,157.47
  5. Step 5: Solve for x
    x = 29,927,157.47/6,170.12
  6. Step 6: Final answer
    x = 4,850.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.