Home / 8,217.64-12,313.50-3,020.68

Finding the Fourth Proportional to 8,217.64, 12,313.50 and 3,020.68

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Solution

The fourth proportional to 8,217.64, 12,313.50 and 3,020.68 is: 4,526.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.64 : 12,313.50 = 3,020.68 : x
  2. Step 2: Convert to fraction form
    8,217.64/12,313.50 = 3,020.68/x
  3. Step 3: Cross multiply
    8,217.64x = 12,313.50 × 3,020.68
  4. Step 4: Simplify right side
    8,217.64x = 37,195,143.18
  5. Step 5: Solve for x
    x = 37,195,143.18/8,217.64
  6. Step 6: Final answer
    x = 4,526.26

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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.