Home / 5,167.72-7,751.58-1,705.24

Finding the Fourth Proportional to 5,167.72, 7,751.58 and 1,705.24

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Solution

The fourth proportional to 5,167.72, 7,751.58 and 1,705.24 is: 2,557.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.72 : 7,751.58 = 1,705.24 : x
  2. Step 2: Convert to fraction form
    5,167.72/7,751.58 = 1,705.24/x
  3. Step 3: Cross multiply
    5,167.72x = 7,751.58 × 1,705.24
  4. Step 4: Simplify right side
    5,167.72x = 13,218,304.28
  5. Step 5: Solve for x
    x = 13,218,304.28/5,167.72
  6. Step 6: Final answer
    x = 2,557.86

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Similar ratio
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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.