Home / 4,171.42-6,257.46-1,398.11

Finding the Fourth Proportional to 4,171.42, 6,257.46 and 1,398.11

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Solution

The fourth proportional to 4,171.42, 6,257.46 and 1,398.11 is: 2,097.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171.42 : 6,257.46 = 1,398.11 : x
  2. Step 2: Convert to fraction form
    4,171.42/6,257.46 = 1,398.11/x
  3. Step 3: Cross multiply
    4,171.42x = 6,257.46 × 1,398.11
  4. Step 4: Simplify right side
    4,171.42x = 8,748,591.36
  5. Step 5: Solve for x
    x = 8,748,591.36/4,171.42
  6. Step 6: Final answer
    x = 2,097.27

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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.