Home / 5,426.44-8,139.66-1,728.68

Finding the Fourth Proportional to 5,426.44, 8,139.66 and 1,728.68

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Solution

The fourth proportional to 5,426.44, 8,139.66 and 1,728.68 is: 2,593.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.44 : 8,139.66 = 1,728.68 : x
  2. Step 2: Convert to fraction form
    5,426.44/8,139.66 = 1,728.68/x
  3. Step 3: Cross multiply
    5,426.44x = 8,139.66 × 1,728.68
  4. Step 4: Simplify right side
    5,426.44x = 14,070,867.45
  5. Step 5: Solve for x
    x = 14,070,867.45/5,426.44
  6. Step 6: Final answer
    x = 2,593.02

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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.