Home / 8,446.18-12,665.43-3,512.88

Finding the Fourth Proportional to 8,446.18, 12,665.43 and 3,512.88

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Solution

The fourth proportional to 8,446.18, 12,665.43 and 3,512.88 is: 5,267.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,446.18 : 12,665.43 = 3,512.88 : x
  2. Step 2: Convert to fraction form
    8,446.18/12,665.43 = 3,512.88/x
  3. Step 3: Cross multiply
    8,446.18x = 12,665.43 × 3,512.88
  4. Step 4: Simplify right side
    8,446.18x = 44,492,135.74
  5. Step 5: Solve for x
    x = 44,492,135.74/8,446.18
  6. Step 6: Final answer
    x = 5,267.72

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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.