Home / 5,170.10-7,759.63-2,706.65

Finding the Fourth Proportional to 5,170.10, 7,759.63 and 2,706.65

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Solution

The fourth proportional to 5,170.10, 7,759.63 and 2,706.65 is: 4,062.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.10 : 7,759.63 = 2,706.65 : x
  2. Step 2: Convert to fraction form
    5,170.10/7,759.63 = 2,706.65/x
  3. Step 3: Cross multiply
    5,170.10x = 7,759.63 × 2,706.65
  4. Step 4: Simplify right side
    5,170.10x = 21,002,567.12
  5. Step 5: Solve for x
    x = 21,002,567.12/5,170.10
  6. Step 6: Final answer
    x = 4,062.31

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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.