Home / 5,218.74-7,202.16-3,094.42

Finding the Fourth Proportional to 5,218.74, 7,202.16 and 3,094.42

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Solution

The fourth proportional to 5,218.74, 7,202.16 and 3,094.42 is: 4,270.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.74 : 7,202.16 = 3,094.42 : x
  2. Step 2: Convert to fraction form
    5,218.74/7,202.16 = 3,094.42/x
  3. Step 3: Cross multiply
    5,218.74x = 7,202.16 × 3,094.42
  4. Step 4: Simplify right side
    5,218.74x = 22,286,507.95
  5. Step 5: Solve for x
    x = 22,286,507.95/5,218.74
  6. Step 6: Final answer
    x = 4,270.48

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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.