Home / 8,431.56-12,652.20-3,501.36

Finding the Fourth Proportional to 8,431.56, 12,652.20 and 3,501.36

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Solution

The fourth proportional to 8,431.56, 12,652.20 and 3,501.36 is: 5,254.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431.56 : 12,652.20 = 3,501.36 : x
  2. Step 2: Convert to fraction form
    8,431.56/12,652.20 = 3,501.36/x
  3. Step 3: Cross multiply
    8,431.56x = 12,652.20 × 3,501.36
  4. Step 4: Simplify right side
    8,431.56x = 44,299,906.99
  5. Step 5: Solve for x
    x = 44,299,906.99/8,431.56
  6. Step 6: Final answer
    x = 5,254.06

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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.