Home / 4,790.22-7,186.21-2,157.78

Finding the Fourth Proportional to 4,790.22, 7,186.21 and 2,157.78

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Solution

The fourth proportional to 4,790.22, 7,186.21 and 2,157.78 is: 3,237.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790.22 : 7,186.21 = 2,157.78 : x
  2. Step 2: Convert to fraction form
    4,790.22/7,186.21 = 2,157.78/x
  3. Step 3: Cross multiply
    4,790.22x = 7,186.21 × 2,157.78
  4. Step 4: Simplify right side
    4,790.22x = 15,506,249.42
  5. Step 5: Solve for x
    x = 15,506,249.42/4,790.22
  6. Step 6: Final answer
    x = 3,237.07

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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.