Home / 8,256.96-12,384.36-2,709.36

Finding the Fourth Proportional to 8,256.96, 12,384.36 and 2,709.36

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Solution

The fourth proportional to 8,256.96, 12,384.36 and 2,709.36 is: 4,063.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256.96 : 12,384.36 = 2,709.36 : x
  2. Step 2: Convert to fraction form
    8,256.96/12,384.36 = 2,709.36/x
  3. Step 3: Cross multiply
    8,256.96x = 12,384.36 × 2,709.36
  4. Step 4: Simplify right side
    8,256.96x = 33,553,689.61
  5. Step 5: Solve for x
    x = 33,553,689.61/8,256.96
  6. Step 6: Final answer
    x = 4,063.69

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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.