Home / 8,431.08-12,650.46-3,501.82

Finding the Fourth Proportional to 8,431.08, 12,650.46 and 3,501.82

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Solution

The fourth proportional to 8,431.08, 12,650.46 and 3,501.82 is: 5,254.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431.08 : 12,650.46 = 3,501.82 : x
  2. Step 2: Convert to fraction form
    8,431.08/12,650.46 = 3,501.82/x
  3. Step 3: Cross multiply
    8,431.08x = 12,650.46 × 3,501.82
  4. Step 4: Simplify right side
    8,431.08x = 44,299,633.84
  5. Step 5: Solve for x
    x = 44,299,633.84/8,431.08
  6. Step 6: Final answer
    x = 5,254.32

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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.