Home / 8,451.28-12,677.22-2,904.58

Finding the Fourth Proportional to 8,451.28, 12,677.22 and 2,904.58

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Solution

The fourth proportional to 8,451.28, 12,677.22 and 2,904.58 is: 4,356.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,451.28 : 12,677.22 = 2,904.58 : x
  2. Step 2: Convert to fraction form
    8,451.28/12,677.22 = 2,904.58/x
  3. Step 3: Cross multiply
    8,451.28x = 12,677.22 × 2,904.58
  4. Step 4: Simplify right side
    8,451.28x = 36,821,999.67
  5. Step 5: Solve for x
    x = 36,821,999.67/8,451.28
  6. Step 6: Final answer
    x = 4,356.97

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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.