Home / 8,274.08-12,406.30-2,725.92

Finding the Fourth Proportional to 8,274.08, 12,406.30 and 2,725.92

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Solution

The fourth proportional to 8,274.08, 12,406.30 and 2,725.92 is: 4,087.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,274.08 : 12,406.30 = 2,725.92 : x
  2. Step 2: Convert to fraction form
    8,274.08/12,406.30 = 2,725.92/x
  3. Step 3: Cross multiply
    8,274.08x = 12,406.30 × 2,725.92
  4. Step 4: Simplify right side
    8,274.08x = 33,818,574.48
  5. Step 5: Solve for x
    x = 33,818,574.48/8,274.08
  6. Step 6: Final answer
    x = 4,087.29

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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.