Home / 8,450.64-12,672.81-2,902.41

Finding the Fourth Proportional to 8,450.64, 12,672.81 and 2,902.41

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Solution

The fourth proportional to 8,450.64, 12,672.81 and 2,902.41 is: 4,352.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.64 : 12,672.81 = 2,902.41 : x
  2. Step 2: Convert to fraction form
    8,450.64/12,672.81 = 2,902.41/x
  3. Step 3: Cross multiply
    8,450.64x = 12,672.81 × 2,902.41
  4. Step 4: Simplify right side
    8,450.64x = 36,781,690.47
  5. Step 5: Solve for x
    x = 36,781,690.47/8,450.64
  6. Step 6: Final answer
    x = 4,352.53

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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.