Home / 5,173.79-7,148.18-3,608.87

Finding the Fourth Proportional to 5,173.79, 7,148.18 and 3,608.87

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Solution

The fourth proportional to 5,173.79, 7,148.18 and 3,608.87 is: 4,986.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.79 : 7,148.18 = 3,608.87 : x
  2. Step 2: Convert to fraction form
    5,173.79/7,148.18 = 3,608.87/x
  3. Step 3: Cross multiply
    5,173.79x = 7,148.18 × 3,608.87
  4. Step 4: Simplify right side
    5,173.79x = 25,796,825.64
  5. Step 5: Solve for x
    x = 25,796,825.64/5,173.79
  6. Step 6: Final answer
    x = 4,986.06

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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.