Home / 8,256.12-12,382.98-2,709.69

Finding the Fourth Proportional to 8,256.12, 12,382.98 and 2,709.69

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Solution

The fourth proportional to 8,256.12, 12,382.98 and 2,709.69 is: 4,064.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256.12 : 12,382.98 = 2,709.69 : x
  2. Step 2: Convert to fraction form
    8,256.12/12,382.98 = 2,709.69/x
  3. Step 3: Cross multiply
    8,256.12x = 12,382.98 × 2,709.69
  4. Step 4: Simplify right side
    8,256.12x = 33,554,037.08
  5. Step 5: Solve for x
    x = 33,554,037.08/8,256.12
  6. Step 6: Final answer
    x = 4,064.14

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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.