Home / 5,609.44-7,739.76-3,370.72

Finding the Fourth Proportional to 5,609.44, 7,739.76 and 3,370.72

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Solution

The fourth proportional to 5,609.44, 7,739.76 and 3,370.72 is: 4,650.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,609.44 : 7,739.76 = 3,370.72 : x
  2. Step 2: Convert to fraction form
    5,609.44/7,739.76 = 3,370.72/x
  3. Step 3: Cross multiply
    5,609.44x = 7,739.76 × 3,370.72
  4. Step 4: Simplify right side
    5,609.44x = 26,088,563.83
  5. Step 5: Solve for x
    x = 26,088,563.83/5,609.44
  6. Step 6: Final answer
    x = 4,650.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.