Home / 9,461.81-14,190.90-3,221.78

Finding the Fourth Proportional to 9,461.81, 14,190.90 and 3,221.78

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Solution

The fourth proportional to 9,461.81, 14,190.90 and 3,221.78 is: 4,832.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,461.81 : 14,190.90 = 3,221.78 : x
  2. Step 2: Convert to fraction form
    9,461.81/14,190.90 = 3,221.78/x
  3. Step 3: Cross multiply
    9,461.81x = 14,190.90 × 3,221.78
  4. Step 4: Simplify right side
    9,461.81x = 45,719,874.77
  5. Step 5: Solve for x
    x = 45,719,874.77/9,461.81
  6. Step 6: Final answer
    x = 4,832.04

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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.