Home / 5,173.42-7,138.82-2,904.24

Finding the Fourth Proportional to 5,173.42, 7,138.82 and 2,904.24

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Solution

The fourth proportional to 5,173.42, 7,138.82 and 2,904.24 is: 4,007.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.42 : 7,138.82 = 2,904.24 : x
  2. Step 2: Convert to fraction form
    5,173.42/7,138.82 = 2,904.24/x
  3. Step 3: Cross multiply
    5,173.42x = 7,138.82 × 2,904.24
  4. Step 4: Simplify right side
    5,173.42x = 20,732,840.47
  5. Step 5: Solve for x
    x = 20,732,840.47/5,173.42
  6. Step 6: Final answer
    x = 4,007.57

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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.