Home / 5,379.16-7,425.66-5,169.64

Finding the Fourth Proportional to 5,379.16, 7,425.66 and 5,169.64

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Solution

The fourth proportional to 5,379.16, 7,425.66 and 5,169.64 is: 7,136.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.16 : 7,425.66 = 5,169.64 : x
  2. Step 2: Convert to fraction form
    5,379.16/7,425.66 = 5,169.64/x
  3. Step 3: Cross multiply
    5,379.16x = 7,425.66 × 5,169.64
  4. Step 4: Simplify right side
    5,379.16x = 38,387,988.96
  5. Step 5: Solve for x
    x = 38,387,988.96/5,379.16
  6. Step 6: Final answer
    x = 7,136.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.