Home / 5,425.28-8,137.83-1,727.46

Finding the Fourth Proportional to 5,425.28, 8,137.83 and 1,727.46

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Solution

The fourth proportional to 5,425.28, 8,137.83 and 1,727.46 is: 2,591.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.28 : 8,137.83 = 1,727.46 : x
  2. Step 2: Convert to fraction form
    5,425.28/8,137.83 = 1,727.46/x
  3. Step 3: Cross multiply
    5,425.28x = 8,137.83 × 1,727.46
  4. Step 4: Simplify right side
    5,425.28x = 14,057,775.81
  5. Step 5: Solve for x
    x = 14,057,775.81/5,425.28
  6. Step 6: Final answer
    x = 2,591.16

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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.