Home / 8,434.66-12,652.61-3,240.54

Finding the Fourth Proportional to 8,434.66, 12,652.61 and 3,240.54

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Solution

The fourth proportional to 8,434.66, 12,652.61 and 3,240.54 is: 4,861.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.66 : 12,652.61 = 3,240.54 : x
  2. Step 2: Convert to fraction form
    8,434.66/12,652.61 = 3,240.54/x
  3. Step 3: Cross multiply
    8,434.66x = 12,652.61 × 3,240.54
  4. Step 4: Simplify right side
    8,434.66x = 41,001,288.81
  5. Step 5: Solve for x
    x = 41,001,288.81/8,434.66
  6. Step 6: Final answer
    x = 4,861.05

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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.