Home / 8,456.76-12,682.35-2,909.97

Finding the Fourth Proportional to 8,456.76, 12,682.35 and 2,909.97

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Solution

The fourth proportional to 8,456.76, 12,682.35 and 2,909.97 is: 4,363.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456.76 : 12,682.35 = 2,909.97 : x
  2. Step 2: Convert to fraction form
    8,456.76/12,682.35 = 2,909.97/x
  3. Step 3: Cross multiply
    8,456.76x = 12,682.35 × 2,909.97
  4. Step 4: Simplify right side
    8,456.76x = 36,905,258.03
  5. Step 5: Solve for x
    x = 36,905,258.03/8,456.76
  6. Step 6: Final answer
    x = 4,363.99

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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.