Home / 5,091.20-7,638.24-3,013.04

Finding the Fourth Proportional to 5,091.20, 7,638.24 and 3,013.04

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Solution

The fourth proportional to 5,091.20, 7,638.24 and 3,013.04 is: 4,520.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.20 : 7,638.24 = 3,013.04 : x
  2. Step 2: Convert to fraction form
    5,091.20/7,638.24 = 3,013.04/x
  3. Step 3: Cross multiply
    5,091.20x = 7,638.24 × 3,013.04
  4. Step 4: Simplify right side
    5,091.20x = 23,014,322.65
  5. Step 5: Solve for x
    x = 23,014,322.65/5,091.20
  6. Step 6: Final answer
    x = 4,520.41

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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.