Home / 8,302.35-12,455.84-3,622.77

Finding the Fourth Proportional to 8,302.35, 12,455.84 and 3,622.77

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Solution

The fourth proportional to 8,302.35, 12,455.84 and 3,622.77 is: 5,435.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302.35 : 12,455.84 = 3,622.77 : x
  2. Step 2: Convert to fraction form
    8,302.35/12,455.84 = 3,622.77/x
  3. Step 3: Cross multiply
    8,302.35x = 12,455.84 × 3,622.77
  4. Step 4: Simplify right side
    8,302.35x = 45,124,625.36
  5. Step 5: Solve for x
    x = 45,124,625.36/8,302.35
  6. Step 6: Final answer
    x = 5,435.16

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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.