Home / 5,169.63-7,751.61-2,394.78

Finding the Fourth Proportional to 5,169.63, 7,751.61 and 2,394.78

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Solution

The fourth proportional to 5,169.63, 7,751.61 and 2,394.78 is: 3,590.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.63 : 7,751.61 = 2,394.78 : x
  2. Step 2: Convert to fraction form
    5,169.63/7,751.61 = 2,394.78/x
  3. Step 3: Cross multiply
    5,169.63x = 7,751.61 × 2,394.78
  4. Step 4: Simplify right side
    5,169.63x = 18,563,400.60
  5. Step 5: Solve for x
    x = 18,563,400.60/5,169.63
  6. Step 6: Final answer
    x = 3,590.86

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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.