Home / 8,256.68-12,384.87-3,326.19

Finding the Fourth Proportional to 8,256.68, 12,384.87 and 3,326.19

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Solution

The fourth proportional to 8,256.68, 12,384.87 and 3,326.19 is: 4,989.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256.68 : 12,384.87 = 3,326.19 : x
  2. Step 2: Convert to fraction form
    8,256.68/12,384.87 = 3,326.19/x
  3. Step 3: Cross multiply
    8,256.68x = 12,384.87 × 3,326.19
  4. Step 4: Simplify right side
    8,256.68x = 41,194,430.75
  5. Step 5: Solve for x
    x = 41,194,430.75/8,256.68
  6. Step 6: Final answer
    x = 4,989.23

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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.