Home / 4,751.90-7,130.09-3,192.65

Finding the Fourth Proportional to 4,751.90, 7,130.09 and 3,192.65

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Solution

The fourth proportional to 4,751.90, 7,130.09 and 3,192.65 is: 4,790.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751.90 : 7,130.09 = 3,192.65 : x
  2. Step 2: Convert to fraction form
    4,751.90/7,130.09 = 3,192.65/x
  3. Step 3: Cross multiply
    4,751.90x = 7,130.09 × 3,192.65
  4. Step 4: Simplify right side
    4,751.90x = 22,763,865.88
  5. Step 5: Solve for x
    x = 22,763,865.88/4,751.90
  6. Step 6: Final answer
    x = 4,790.48

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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.