Home / 8,302.05-12,455.30-3,622.44

Finding the Fourth Proportional to 8,302.05, 12,455.30 and 3,622.44

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Solution

The fourth proportional to 8,302.05, 12,455.30 and 3,622.44 is: 5,434.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302.05 : 12,455.30 = 3,622.44 : x
  2. Step 2: Convert to fraction form
    8,302.05/12,455.30 = 3,622.44/x
  3. Step 3: Cross multiply
    8,302.05x = 12,455.30 × 3,622.44
  4. Step 4: Simplify right side
    8,302.05x = 45,118,558.82
  5. Step 5: Solve for x
    x = 45,118,558.82/8,302.05
  6. Step 6: Final answer
    x = 5,434.63

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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.