Home / 7,171.16-10,759.44-2,788.88

Finding the Fourth Proportional to 7,171.16, 10,759.44 and 2,788.88

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Solution

The fourth proportional to 7,171.16, 10,759.44 and 2,788.88 is: 4,184.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171.16 : 10,759.44 = 2,788.88 : x
  2. Step 2: Convert to fraction form
    7,171.16/10,759.44 = 2,788.88/x
  3. Step 3: Cross multiply
    7,171.16x = 10,759.44 × 2,788.88
  4. Step 4: Simplify right side
    7,171.16x = 30,006,787.03
  5. Step 5: Solve for x
    x = 30,006,787.03/7,171.16
  6. Step 6: Final answer
    x = 4,184.37

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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.