Home / 4,079.60-6,120.18-1,739.56

Finding the Fourth Proportional to 4,079.60, 6,120.18 and 1,739.56

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Solution

The fourth proportional to 4,079.60, 6,120.18 and 1,739.56 is: 2,609.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.60 : 6,120.18 = 1,739.56 : x
  2. Step 2: Convert to fraction form
    4,079.60/6,120.18 = 1,739.56/x
  3. Step 3: Cross multiply
    4,079.60x = 6,120.18 × 1,739.56
  4. Step 4: Simplify right side
    4,079.60x = 10,646,420.32
  5. Step 5: Solve for x
    x = 10,646,420.32/4,079.60
  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.