Home / 4,171.50-6,255.57-1,538.39

Finding the Fourth Proportional to 4,171.50, 6,255.57 and 1,538.39

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Solution

The fourth proportional to 4,171.50, 6,255.57 and 1,538.39 is: 2,306.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171.50 : 6,255.57 = 1,538.39 : x
  2. Step 2: Convert to fraction form
    4,171.50/6,255.57 = 1,538.39/x
  3. Step 3: Cross multiply
    4,171.50x = 6,255.57 × 1,538.39
  4. Step 4: Simplify right side
    4,171.50x = 9,623,506.33
  5. Step 5: Solve for x
    x = 9,623,506.33/4,171.50
  6. Step 6: Final answer
    x = 2,306.97

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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.