Home / 5,655.63-8,487.09-2,192.88

Finding the Fourth Proportional to 5,655.63, 8,487.09 and 2,192.88

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Solution

The fourth proportional to 5,655.63, 8,487.09 and 2,192.88 is: 3,290.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.63 : 8,487.09 = 2,192.88 : x
  2. Step 2: Convert to fraction form
    5,655.63/8,487.09 = 2,192.88/x
  3. Step 3: Cross multiply
    5,655.63x = 8,487.09 × 2,192.88
  4. Step 4: Simplify right side
    5,655.63x = 18,611,169.92
  5. Step 5: Solve for x
    x = 18,611,169.92/5,655.63
  6. Step 6: Final answer
    x = 3,290.73

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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.