Home / 8,145.42-12,208.65-3,753.63

Finding the Fourth Proportional to 8,145.42, 12,208.65 and 3,753.63

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Solution

The fourth proportional to 8,145.42, 12,208.65 and 3,753.63 is: 5,626.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.42 : 12,208.65 = 3,753.63 : x
  2. Step 2: Convert to fraction form
    8,145.42/12,208.65 = 3,753.63/x
  3. Step 3: Cross multiply
    8,145.42x = 12,208.65 × 3,753.63
  4. Step 4: Simplify right side
    8,145.42x = 45,826,754.90
  5. Step 5: Solve for x
    x = 45,826,754.90/8,145.42
  6. Step 6: Final answer
    x = 5,626.08

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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.