Home / 5,186.26-7,778.53-2,225.18

Finding the Fourth Proportional to 5,186.26, 7,778.53 and 2,225.18

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Solution

The fourth proportional to 5,186.26, 7,778.53 and 2,225.18 is: 3,337.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.26 : 7,778.53 = 2,225.18 : x
  2. Step 2: Convert to fraction form
    5,186.26/7,778.53 = 2,225.18/x
  3. Step 3: Cross multiply
    5,186.26x = 7,778.53 × 2,225.18
  4. Step 4: Simplify right side
    5,186.26x = 17,308,629.39
  5. Step 5: Solve for x
    x = 17,308,629.39/5,186.26
  6. Step 6: Final answer
    x = 3,337.40

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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.