Home / 5,122.88-7,069.32-3,132.92

Finding the Fourth Proportional to 5,122.88, 7,069.32 and 3,132.92

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Solution

The fourth proportional to 5,122.88, 7,069.32 and 3,132.92 is: 4,323.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.88 : 7,069.32 = 3,132.92 : x
  2. Step 2: Convert to fraction form
    5,122.88/7,069.32 = 3,132.92/x
  3. Step 3: Cross multiply
    5,122.88x = 7,069.32 × 3,132.92
  4. Step 4: Simplify right side
    5,122.88x = 22,147,614.01
  5. Step 5: Solve for x
    x = 22,147,614.01/5,122.88
  6. Step 6: Final answer
    x = 4,323.27

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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.