Home / 5,167.58-7,751.39-1,271.97

Finding the Fourth Proportional to 5,167.58, 7,751.39 and 1,271.97

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Solution

The fourth proportional to 5,167.58, 7,751.39 and 1,271.97 is: 1,907.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.58 : 7,751.39 = 1,271.97 : x
  2. Step 2: Convert to fraction form
    5,167.58/7,751.39 = 1,271.97/x
  3. Step 3: Cross multiply
    5,167.58x = 7,751.39 × 1,271.97
  4. Step 4: Simplify right side
    5,167.58x = 9,859,529.18
  5. Step 5: Solve for x
    x = 9,859,529.18/5,167.58
  6. Step 6: Final answer
    x = 1,907.96

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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.