Home / 8,284.96-12,430.20-3,351.92

Finding the Fourth Proportional to 8,284.96, 12,430.20 and 3,351.92

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Solution

The fourth proportional to 8,284.96, 12,430.20 and 3,351.92 is: 5,029.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,284.96 : 12,430.20 = 3,351.92 : x
  2. Step 2: Convert to fraction form
    8,284.96/12,430.20 = 3,351.92/x
  3. Step 3: Cross multiply
    8,284.96x = 12,430.20 × 3,351.92
  4. Step 4: Simplify right side
    8,284.96x = 41,665,035.98
  5. Step 5: Solve for x
    x = 41,665,035.98/8,284.96
  6. Step 6: Final answer
    x = 5,029.00

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1.5x scale

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.