Home / 5,900.10-8,850.15-1,739.78

Finding the Fourth Proportional to 5,900.10, 8,850.15 and 1,739.78

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Solution

The fourth proportional to 5,900.10, 8,850.15 and 1,739.78 is: 2,609.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,900.10 : 8,850.15 = 1,739.78 : x
  2. Step 2: Convert to fraction form
    5,900.10/8,850.15 = 1,739.78/x
  3. Step 3: Cross multiply
    5,900.10x = 8,850.15 × 1,739.78
  4. Step 4: Simplify right side
    5,900.10x = 15,397,345.57
  5. Step 5: Solve for x
    x = 15,397,345.57/5,900.10
  6. Step 6: Final answer
    x = 2,609.68

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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.