Home / 4,754.28-7,122.30-2,899.89

Finding the Fourth Proportional to 4,754.28, 7,122.30 and 2,899.89

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Solution

The fourth proportional to 4,754.28, 7,122.30 and 2,899.89 is: 4,344.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,754.28 : 7,122.30 = 2,899.89 : x
  2. Step 2: Convert to fraction form
    4,754.28/7,122.30 = 2,899.89/x
  3. Step 3: Cross multiply
    4,754.28x = 7,122.30 × 2,899.89
  4. Step 4: Simplify right side
    4,754.28x = 20,653,886.55
  5. Step 5: Solve for x
    x = 20,653,886.55/4,754.28
  6. Step 6: Final answer
    x = 4,344.27

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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.