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Finding the Fourth Proportional to 8,434.03, 12,651.22 and 2,893.74

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Solution

The fourth proportional to 8,434.03, 12,651.22 and 2,893.74 is: 4,340.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.03 : 12,651.22 = 2,893.74 : x
  2. Step 2: Convert to fraction form
    8,434.03/12,651.22 = 2,893.74/x
  3. Step 3: Cross multiply
    8,434.03x = 12,651.22 × 2,893.74
  4. Step 4: Simplify right side
    8,434.03x = 36,609,341.36
  5. Step 5: Solve for x
    x = 36,609,341.36/8,434.03
  6. Step 6: Final answer
    x = 4,340.67

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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.