Home / 9,000.72-13,493.79-3,451.21

Finding the Fourth Proportional to 9,000.72, 13,493.79 and 3,451.21

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Solution

The fourth proportional to 9,000.72, 13,493.79 and 3,451.21 is: 5,174.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000.72 : 13,493.79 = 3,451.21 : x
  2. Step 2: Convert to fraction form
    9,000.72/13,493.79 = 3,451.21/x
  3. Step 3: Cross multiply
    9,000.72x = 13,493.79 × 3,451.21
  4. Step 4: Simplify right side
    9,000.72x = 46,569,869.25
  5. Step 5: Solve for x
    x = 46,569,869.25/9,000.72
  6. Step 6: Final answer
    x = 5,174.02

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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.