Home / 8,416.20-12,587.22-6,202.20

Finding the Fourth Proportional to 8,416.20, 12,587.22 and 6,202.20

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Solution

The fourth proportional to 8,416.20, 12,587.22 and 6,202.20 is: 9,275.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,416.20 : 12,587.22 = 6,202.20 : x
  2. Step 2: Convert to fraction form
    8,416.20/12,587.22 = 6,202.20/x
  3. Step 3: Cross multiply
    8,416.20x = 12,587.22 × 6,202.20
  4. Step 4: Simplify right side
    8,416.20x = 78,068,455.88
  5. Step 5: Solve for x
    x = 78,068,455.88/8,416.20
  6. Step 6: Final answer
    x = 9,275.97

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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.