Home / 6,171.15-8,512.65-3,518.10

Finding the Fourth Proportional to 6,171.15, 8,512.65 and 3,518.10

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Solution

The fourth proportional to 6,171.15, 8,512.65 and 3,518.10 is: 4,852.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171.15 : 8,512.65 = 3,518.10 : x
  2. Step 2: Convert to fraction form
    6,171.15/8,512.65 = 3,518.10/x
  3. Step 3: Cross multiply
    6,171.15x = 8,512.65 × 3,518.10
  4. Step 4: Simplify right side
    6,171.15x = 29,948,353.97
  5. Step 5: Solve for x
    x = 29,948,353.97/6,171.15
  6. Step 6: Final answer
    x = 4,852.96

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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.